diff --git a/software/GToE/GToE.ino b/software/GToE/GToE.ino
index a78f12c..9be0cf8 100644
--- a/software/GToE/GToE.ino
+++ b/software/GToE/GToE.ino
@@ -285,7 +285,7 @@ void calculateCycles() {
 }
 
 void calculateBPMTiming() {
-  int mod;
+  int mod = 0;
   if (masterClockMode == 0) {
     if (bpmModulationRange != 0 && !bpmModulationChannel) {
       mod = map (a1Input, 0, 1023, 0, bpmModulationRange*10);