diff --git a/src/fe-common/core/fe-windows.c b/src/fe-common/core/fe-windows.c
index 9941c303..3c48261a 100644
--- a/src/fe-common/core/fe-windows.c
+++ b/src/fe-common/core/fe-windows.c
@@ -124,6 +124,7 @@ void window_destroy(WINDOW_REC *window)
 	while (window->bound_items != NULL)
                 window_bind_destroy(window, window->bound_items->data);
 
+	g_free_not_null(window->hilight_color);
 	g_free_not_null(window->servertag);
 	g_free_not_null(window->theme_name);
 	g_free_not_null(window->name);