diff --git a/src/core/window.c b/src/core/window.c
index a71d4945f..7ea609d93 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -9024,7 +9024,7 @@ meta_window_titlebar_is_onscreen (MetaWindow *window)
   gboolean       is_onscreen;
 
   const int min_height_needed  = 8;
-  const int min_width_percent  = 0.5;
+  const float min_width_percent  = 0.5;
   const int min_width_absolute = 50;
 
   /* Titlebar can't be offscreen if there is no titlebar... */