diff --git a/NEWS b/NEWS
index 943f7725..76376169 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,7 @@ NEWS
   * [mod_dirlisting] fix dir-listing.set-footer not showing
   * fix out-of-filedescriptors when uploading "large" files (fixes #2660, thx rmilecki)
   * increase upload temporary chunk file size from 1MB to 16MB
+  * fix undefined integer shift
 
 - 1.4.36 - 2015-07-26
   * use keep-alive timeout while waiting for HTTP headers; use always the read timeout while waiting for the HTTP body
diff --git a/src/stat_cache.c b/src/stat_cache.c
index dedea4bf..dd381d78 100644
--- a/src/stat_cache.c
+++ b/src/stat_cache.c
@@ -249,7 +249,7 @@ static uint32_t hashme(buffer *str) {
 		hash = ((hash << 5) + hash) + *s;
 	}
 
-	hash &= ~(1 << 31); /* strip the highest bit */
+	hash &= ~(((uint32_t)1) << 31); /* strip the highest bit */
 
 	return hash;
 }