diff --git a/src/FbTk/FbTime.hh b/src/FbTk/FbTime.hh
index 42ee9127..5726fb73 100644
--- a/src/FbTk/FbTime.hh
+++ b/src/FbTk/FbTime.hh
@@ -47,7 +47,7 @@ namespace FbTime {
     // calculates the remaining microseconds from 'now' up to the
     // next full 'unit'
     inline uint64_t remainingNext(uint64_t now, uint64_t unit) {
-        return (unit - (now % unit) - 1);
+        return (unit - (now % unit));
     }
 
 } // namespace FbTime