diff --git a/util/vgabios/helper_mem.c b/util/vgabios/helper_mem.c
index 3e201c0..50a303b 100644
--- a/util/vgabios/helper_mem.c
+++ b/util/vgabios/helper_mem.c
@@ -24,7 +24,7 @@
 };
 #endif
 
-#ifdef CONFIG_DEBUG
+#ifdef DEBUG
 void dprint(unsigned long start, unsigned long size)
 {
 	int i, j;
@@ -44,7 +44,7 @@
 	}
 	printf("\n");
 }
-#endif /* CONFIG_DEBUG */
+#endif /* DEBUG */
 
 #if 0
 #ifndef _PC