core: Fix Debian Architecture logic

core/internal/distros/debian.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"os/exec"
+	"runtime"
 	"strings"
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/deps"
@@ -429,7 +430,7 @@ func (d *DebianDistribution) enableOBSRepos(ctx context.Context, obsPkgs []Packa
 			}
 
 			// Add repository
-			repoLine := fmt.Sprintf("deb [signed-by=%s] %s/ /", keyringPath, baseURL)
+			repoLine := fmt.Sprintf("deb [signed-by=%s, arch=%s] %s/ /", keyringPath, runtime.GOARCH, baseURL)
 
 			progressChan <- InstallProgressMsg{
 				Phase:       PhaseSystemPackages,