diff --git a/cgdoom/cgdoom.c b/cgdoom/cgdoom.c
index 9f06ff9..3511ee0 100644
--- a/cgdoom/cgdoom.c
+++ b/cgdoom/cgdoom.c
@@ -12,7 +12,10 @@ void * CGDMalloc(int iSize)
 	iAllocSum += iSize;
 	printf("malloc %i (%i)\n",iSize,iAllocSum);
 #endif 
-	return malloc(iSize);
+	void *p = malloc(iSize);
+	if (!p)
+		I_Error ("CGDMalloc failure");
+	return p;
 }
 
 void * CGDCalloc(int iSize)