diff --git a/kernel/time.c b/kernel/time.c
index be5c8cb..33af3e5 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -606,8 +606,10 @@
 # if HZ < USER_HZ
 	x *= USER_HZ;
 	do_div(x, HZ);
-# else
+# elif HZ > USER_HZ
 	do_div(x, HZ / USER_HZ);
+# else
+	/* Nothing to do */
 # endif
 #else
 	/*