diff --git a/polymer/eduke32/source/startgtk.game.c b/polymer/eduke32/source/startgtk.game.c
index 2a316d225..daa760ca0 100644
--- a/polymer/eduke32/source/startgtk.game.c
+++ b/polymer/eduke32/source/startgtk.game.c
@@ -260,9 +260,7 @@ static gboolean on_startwin_delete_event(GtkWidget *widget, GdkEvent *event, gpo
 
 
 // -- SUPPORT FUNCTIONS -------------------------------------------------------
-extern "C" {
-    extern const GdkPixdata startbanner_pixdata;
-}
+extern const GdkPixdata startbanner_pixdata;
 
 static GdkPixbuf *load_banner(void)
 {