diff --git a/include/gfx.h b/include/gfx.h
index ac9a5382..b2c84daf 100644
--- a/include/gfx.h
+++ b/include/gfx.h
@@ -199,8 +199,8 @@ extern "C" {
 	 */
 	void gfxInit(void);
 
-	/* Compatibility for old programs */
-	#define gdispInit()		gfxInit()
+	/* compatibility for old programs - throws a #warning */
+	void gdispInit(void);
 
 #ifdef __cplusplus
 }
diff --git a/src/gfx.c b/src/gfx.c
index c14dffb0..ffc38c84 100644
--- a/src/gfx.c
+++ b/src/gfx.c
@@ -105,3 +105,10 @@ void gfxInit(void) {
 		_gaudoutInit();
 	#endif
 }
+
+void gdispInit(void) {
+	#warning "gdispInit() is obsolete - please use gfxInit() instead"
+
+	gfxInit();
+}
+