diff --git a/src/curses/formatted_color.cpp b/src/curses/formatted_color.cpp
index b8006431..285b8e67 100644
--- a/src/curses/formatted_color.cpp
+++ b/src/curses/formatted_color.cpp
@@ -18,6 +18,7 @@
  *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.              *
  ***************************************************************************/
 
+#include <istream>
 #include "formatted_color.h"
 
 namespace {