diff --git a/src/common/token_bucket.c b/src/common/token_bucket.c
index d18731b0e3..747189e751 100644
--- a/src/common/token_bucket.c
+++ b/src/common/token_bucket.c
@@ -119,7 +119,7 @@ rate_per_sec_to_rate_per_step(uint32_t rate)
   */
   uint64_t units = (uint64_t) rate * TICKS_PER_STEP;
   uint32_t val = (uint32_t)
-    monotime_coarse_stamp_units_to_approx_msec(units) / 1000;
+    (monotime_coarse_stamp_units_to_approx_msec(units) / 1000);
   return val ? val : 1;
 }