diff --git a/speeduino/globals.h b/speeduino/globals.h
index c68cc86b..69738f8f 100644
--- a/speeduino/globals.h
+++ b/speeduino/globals.h
@@ -549,7 +549,7 @@ struct config3 {
 
   byte fanInv : 1;        // Fan output inversion bit
   byte fanEnable : 1;     // Fan enable bit. 0=Off, 1=On/Off
-  byte fanPin : 5;
+  byte fanPin : 6;
   byte fanSP;             // Cooling fan start temperature
   byte fanHyster;         // Fan hysteresis
   byte fanFreq;           // Fan PWM frequency