diff --git a/ext/gd/libgd/gd.c b/ext/gd/libgd/gd.c
index 7cfcd64f906..ff3e60a7d43 100644
--- a/ext/gd/libgd/gd.c
+++ b/ext/gd/libgd/gd.c
@@ -1873,7 +1873,7 @@ void gdImageFill(gdImagePtr im, int x, int y, int nc)
 	int oc;   /* old pixel value */
 	int wx2,wy2;
 	/* stack of filled segments */
-	//struct seg stack[FILL_MAX],*sp = stack;;
+	/* struct seg stack[FILL_MAX],*sp = stack;; */
 	struct seg *stack;
 	struct seg *sp;