1 files changed, 5 insertions, 0 deletions
diff --git a/render/html.c b/render/html.c
index 8d64f9515..caada3c96 100644
--- a/render/html.c
+++ b/render/html.c
@@ -106,6 +106,11 @@ static const char empty_document[] =
  */
 static void *myrealloc(void *ptr, size_t len, void *pw)
 {
+	if (len == 0) {
+		free(ptr);
+		return NULL;
+	}
+
 	return realloc(ptr, len);
 }