diff --git a/main/php_ini.c b/main/php_ini.c
index 48e0654441e..7d7c26012ee 100644
--- a/main/php_ini.c
+++ b/main/php_ini.c
@@ -484,7 +484,7 @@ int php_init_config(TSRMLS_D)
 
 				if ((envpath = getenv("PATH")) != NULL) {
 					char *search_dir, search_path[MAXPATHLEN];
-					char *last;
+					char *last = NULL;
 
 					path = estrdup(envpath);
 					search_dir = php_strtok_r(path, ":", &last);