--- gtkmorph/callbacks_warped.c
+++ gtkmorph/callbacks_warped.c
@@ -51,7 +51,7 @@
   //extern movie_pixmaps_num ;
 
   //if(movie_pixmaps_num == 0) return FALSE ;
-  g_return_if_fail(pixmap);
+  g_return_val_if_fail(pixmap,FALSE);
   //g_return_if_fail(movie_pixmaps[0]);
 
   //g_(pixmap);
--- gtkmorph/gtksettings.c
+++ gtkmorph/gtksettings.c
@@ -173,10 +173,10 @@
 	  if (p) {
 	    GList* L= gtk_container_get_children(p);
 	    int len=g_slist_length (L);
-	    g_return_if_fail(value>=0 && value< len );
+	    g_return_val_if_fail(value>=0 && value< len, FALSE);
 	    GSList* nth=g_slist_nth(L,value);
 	    GtkWidget* radio_menu_item= nth->data;
-	    g_return_if_fail(radio_menu_item);
+	    g_return_val_if_fail(radio_menu_item, FALSE);
 	    gtk_check_menu_item_set_active
 	      (GTK_CHECK_MENU_ITEM (radio_menu_item),TRUE);
 	  } else	  
--- gtkmorph/guide_text.c
+++ gtkmorph/guide_text.c
@@ -1,4 +1,5 @@
 #include <gtk/gtk.h>
+#include <string.h>
 
 #include "guide.h"
 #include "guide_text.h"