diff --git a/src/Thresholds.cpp b/src/Thresholds.cpp
index 965b626..dd6b7ca 100644
--- a/src/Thresholds.cpp
+++ b/src/Thresholds.cpp
@@ -348,6 +348,7 @@
         }
         else
         {
+            thresholdTimer.stopTimer(threshold);
             assertThresholds(sensor, threshold.level, threshold.direction,
                              false);
         }