diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 6a2a19f14bb26bb3f4f49815b566c2a4e8353cab..208650b1ad3ac08a340d93e87729890d807a3bdb 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -81,7 +81,7 @@ static inline int generic_fls64(__u64 x)
 {
 	__u32 h = x >> 32;
 	if (h)
-		return fls(x) + 32;
+		return fls(h) + 32;
 	return fls(x);
 }