diff --git a/deps/MsvcLibX/src/realpath.c b/deps/MsvcLibX/src/realpath.c
index ec1b606bf64559a740af5ab07943b77cdf981898..62e701bf3a74d780ae3d69385b5850fee20d526c 100644
--- a/deps/MsvcLibX/src/realpath.c
+++ b/deps/MsvcLibX/src/realpath.c
@@ -521,7 +521,7 @@ int ResolveLinksA(const char *path, char *buf, size_t bufsize) {
 /* Normally defined in stdlib.h. Output buf must contain PATH_MAX bytes */
 char *realpathU(const char *path, char *outbuf) {
   char *pOutbuf = outbuf;
-  char *pOutbuf1;
+  char *pOutbuf1 = NULL;
   char *pPath1 = NULL;
   char *pPath2 = NULL;
   int iErr;