diff --git a/shade_controller/functions.h b/shade_controller/functions.h
index 835c7c2..5b59750 100644
--- a/shade_controller/functions.h
+++ b/shade_controller/functions.h
@@ -176,7 +176,7 @@ bool timerFunc(int _comp) {
 }
 
 void checkInvert() {
-  if (inverMotor[0] ~= invertMotor[1]) {
+  if (invertMotor[0] != invertMotor[1]) {
     for (int i=1;i<3;i++) {
       shade[i] = shade[i]*-1;
     }