diff --git a/quickshell/Modules/DankBar/DankBarBody.qml b/quickshell/Modules/DankBar/DankBarBody.qml
index 9e955e8bf..57ad1a68d 100644
--- a/quickshell/Modules/DankBar/DankBarBody.qml
+++ b/quickshell/Modules/DankBar/DankBarBody.qml
@@ -812,20 +812,11 @@ Item {
                 }
                 topBarCore.evaluateReveal();
             }
-            y: !barWindow.isVertical && !barWindow.isIsland ? (barPos === SettingsData.Position.Bottom ? parent.height - height : 0) : 0
-            x: barWindow.isVertical && !barWindow.isIsland ? (barPos === SettingsData.Position.Right ? parent.width - width : 0) : 0
-            height: !barWindow.isVertical ? (barWindow.isIsland ? parent.height : Theme.px(barWindow.effectiveBarThickness + barWindow.effectiveSpacing, barWindow._dpr)) : undefined
-            width: barWindow.isVertical ? (barWindow.isIsland ? parent.width : Theme.px(barWindow.effectiveBarThickness + barWindow.effectiveSpacing, barWindow._dpr)) : undefined
-            anchors {
-                leftMargin: !barWindow.isVertical && !barWindow.isIsland ? barWindow.taskbarStartInset : 0
-                rightMargin: !barWindow.isVertical && !barWindow.isIsland ? barWindow.taskbarEndInset : 0
-                topMargin: barWindow.isVertical && !barWindow.isIsland ? barWindow.taskbarStartInset : 0
-                bottomMargin: barWindow.isVertical && !barWindow.isIsland ? barWindow.taskbarEndInset : 0
-                left: !barWindow.isVertical ? parent.left : (barPos === SettingsData.Position.Left ? parent.left : undefined)
-                right: !barWindow.isVertical ? parent.right : (barPos === SettingsData.Position.Right ? parent.right : undefined)
-                top: barWindow.isVertical ? parent.top : undefined
-                bottom: barWindow.isVertical ? parent.bottom : undefined
-            }
+            // Switching stretch anchors can leave stale dimensions after an orientation change
+            x: barWindow.isIsland ? 0 : !barWindow.isVertical ? barWindow.taskbarStartInset : barPos === SettingsData.Position.Right ? parent.width - width : 0
+            y: barWindow.isIsland ? 0 : barWindow.isVertical ? barWindow.taskbarStartInset : barPos === SettingsData.Position.Bottom ? parent.height - height : 0
+            width: barWindow.isIsland ? parent.width : barWindow.isVertical ? Theme.px(barWindow.effectiveBarThickness + barWindow.effectiveSpacing, barWindow._dpr) : Math.max(0, parent.width - barWindow.taskbarStartInset - barWindow.taskbarEndInset)
+            height: barWindow.isIsland ? parent.height : !barWindow.isVertical ? Theme.px(barWindow.effectiveBarThickness + barWindow.effectiveSpacing, barWindow._dpr) : Math.max(0, parent.height - barWindow.taskbarStartInset - barWindow.taskbarEndInset)
             readonly property bool inOverview: CompositorService.overviewActiveOnScreen(barWindow.screenName) && barWindow.effectiveOpenOnOverview
             hoverEnabled: topBarCore.autoHide && !inOverview && !topBarCore.popoutPinsReveal
             acceptedButtons: barWindow.clickThroughEnabled || barWindow.isIsland ? Qt.NoButton : Qt.RightButton
diff --git a/quickshell/tests/qml/frame-bar-flip.qml b/quickshell/tests/qml/frame-bar-flip.qml
new file mode 100644
index 000000000..f090a522c
--- /dev/null
+++ b/quickshell/tests/qml/frame-bar-flip.qml
@@ -0,0 +1,83 @@
+import QtQuick
+import Quickshell
+import qs.Common
+import qs.Modules.DankBar
+import qs.DankCommon.Common as DC
+
+ShellRoot {
+    id: root
+
+    readonly property var positions: [0, 2, 0, 3, 0, 2, 1, 3, 1, 0]
+    property int step: 0
+    readonly property int position: positions[step]
+    readonly property bool vertical: position === SettingsData.Position.Left || position === SettingsData.Position.Right
+    property var barConfig: ({ id: "fixture", position, spacing: 0, innerPadding: 4 })
+    property var hyprlandOverviewLoader: null
+    property bool systemTrayMenuOpen: false
+
+    ScriptModel {
+        id: widgets
+        values: [{ widgetId: "clock", id: "clock_0" }]
+    }
+
+    FloatingWindow {
+        id: window
+        visible: true
+        implicitWidth: 800
+        implicitHeight: 600
+
+        Item {
+            width: root.vertical ? Theme.px(body.effectiveBarThickness + body.effectiveSpacing, body._dpr) : 800
+            height: root.vertical ? 600 : Theme.px(body.effectiveBarThickness + body.effectiveSpacing, body._dpr)
+
+            // FrameBarHost retains the body while its slot changes orientation.
+            DankBarBody {
+                id: body
+                anchors.fill: parent
+                rootWindow: root
+                hostWindow: window
+                modelData: Quickshell.screens[0]
+                barConfig: root.barConfig
+                leftWidgetsModel: widgets
+                centerWidgetsModel: widgets
+                rightWidgetsModel: widgets
+            }
+        }
+    }
+
+    function checkSections() {
+        for (const section of [body._leftSection, body._centerSection, body._rightSection]) {
+            section.widgetLayoutLoader?.item?.forceLayout();
+            const point = section.mapToItem(body, 0, 0);
+            const crossCenter = root.vertical ? point.x + section.width / 2 : point.y + section.height / 2;
+            const expectedCenter = (root.vertical ? body.width : body.height) / 2;
+            if (Math.abs(crossCenter - expectedCenter) > 1)
+                throw new Error(`step ${step}, edge ${body.axis.edge}, ${section.section}: center ${crossCenter}, expected ${expectedCenter}`);
+            if (point.x < -1 || point.y < -1 || point.x + section.width > body.width + 1 || point.y + section.height > body.height + 1)
+                throw new Error(`step ${step}, edge ${body.axis.edge}, ${section.section}: section outside bar`);
+        }
+    }
+
+    function advance() {
+        try {
+            checkSections();
+            if (step === positions.length - 1) {
+                console.log("FIXTURE_PASS");
+                Qt.quit();
+                return;
+            }
+            step++;
+            Qt.callLater(advance);
+        } catch (error) {
+            console.error("FIXTURE_FAIL", error.message);
+            Qt.quit();
+        }
+    }
+
+    Component.onCompleted: {
+        DC.Style.theme = Theme;
+        DC.Style.settings = SettingsData;
+        DC.I18n.backend = I18n;
+        Qt.callLater(advance);
+    }
+}
diff --git a/quickshell/tests/run-qml.py b/quickshell/tests/run-qml.py
index 463de08d3..b9ee6ade6 100644
--- a/quickshell/tests/run-qml.py
+++ b/quickshell/tests/run-qml.py
@@ -51,7 +51,7 @@ def main():
         parser.error("--jobs must be positive")
     selected = args.suites or ["widgets", "media", "qt", "logic"]
     commands = {
-        "widgets": [sys.executable, "quickshell/tests/run-surface-fixture.py", "--suite", "quickshell/tests/qml/bar-content.qml", "quickshell/tests/qml/instance-routing.qml", "quickshell/tests/qml/font-weights.qml", "quickshell/tests/qml/theme-selected-container.qml", "quickshell/tests/qml/theme-accents.qml", "quickshell/tests/qml/clipboard-preview.qml", "quickshell/tests/qml/launcher-plugin-instances.qml", "quickshell/tests/qml/island-launcher-focus.qml", "quickshell/tests/qml/workspace-switcher.qml", "quickshell/tests/qml/focused-app.qml", "quickshell/tests/qml/slider-wheel.qml", "quickshell/tests/qml/control-center-sizes.qml", "quickshell/tests/qml/grid-edit-layout.qml"],
+        "widgets": [sys.executable, "quickshell/tests/run-surface-fixture.py", "--suite", "quickshell/tests/qml/bar-content.qml", "quickshell/tests/qml/frame-bar-flip.qml", "quickshell/tests/qml/instance-routing.qml", "quickshell/tests/qml/font-weights.qml", "quickshell/tests/qml/theme-selected-container.qml", "quickshell/tests/qml/theme-accents.qml", "quickshell/tests/qml/clipboard-preview.qml", "quickshell/tests/qml/launcher-plugin-instances.qml", "quickshell/tests/qml/island-launcher-focus.qml", "quickshell/tests/qml/workspace-switcher.qml", "quickshell/tests/qml/focused-app.qml", "quickshell/tests/qml/slider-wheel.qml", "quickshell/tests/qml/control-center-sizes.qml", "quickshell/tests/qml/grid-edit-layout.qml"],
         "media": [sys.executable, "quickshell/tests/run-surface-fixture.py", "--suite", "quickshell/tests/qml/media-presentation.qml", "quickshell/tests/qml/media-playback.qml", "quickshell/tests/qml/media-artwork.qml", "quickshell/tests/qml/media-lyrics.qml", "--mpris", "--artwork"],
         "logic": ["node", "--test", *sorted(str(path.relative_to(repo)) for path in (repo / "quickshell/tests").glob("*.test.mjs"))],
     }