diff --git a/lib/libc/gen/fstab.c b/lib/libc/gen/fstab.c
index 9dac476c4c67..e9c313d18aeb 100644
--- a/lib/libc/gen/fstab.c
+++ b/lib/libc/gen/fstab.c
@@ -91,7 +91,7 @@ fixfsfile()
 	struct stat sb;
 	struct statfs sf;
 
-	if (strcmp(_fs_fstab.fs_file, "/") != 0)
+	if (_fs_fstab.fs_file != NULL &&strcmp(_fs_fstab.fs_file, "/") != 0)
 		return;
 	if (statfs("/", &sf) != 0)
 		return;