diff --git a/speeduino/decoders.ino b/speeduino/decoders.ino
index cac08b90..e5559329 100644
--- a/speeduino/decoders.ino
+++ b/speeduino/decoders.ino
@@ -763,11 +763,12 @@ void triggerSec_DualWheel()
     toothLastSecToothTime = curTime2;
     triggerSecFilterTime = curGap2 >> 2; //Set filter at 25% of the current speed
 
-    if(currentStatus.hasSync == false)
+    if( (currentStatus.hasSync == false) || (currentStatus.startRevolutions <= configPage4.StgCycles) )
     {
       toothLastToothTime = micros();
       toothLastMinusOneToothTime = micros() - (6000000 / configPage4.triggerTeeth); //Fixes RPM at 10rpm until a full revolution has taken place
       toothCurrentCount = configPage4.triggerTeeth;
+      triggerFilterTime = 0; //Need to turn the filter off here otherwise the first primary tooth after achieving sync is ignored
 
       currentStatus.hasSync = true;
     }