diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index d7bd395ab5865d070b547ac31c03a85b58ae6c46..1c55388ae633c9908ab31934de070cbee08ae06f 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -210,7 +210,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
 	int pipefd;
 	struct autofs_sb_info *sbi;
 	struct autofs_info *ino;
-	int pgrp;
+	int pgrp = 0;
 	bool pgrp_set = false;
 	int ret = -EINVAL;