diff --git a/AfRApay.MateCard/src/main.cpp b/AfRApay.MateCard/src/main.cpp
index 24cdd4f..7772090 100644
--- a/AfRApay.MateCard/src/main.cpp
+++ b/AfRApay.MateCard/src/main.cpp
@@ -84,7 +84,7 @@ void IRAM_ATTR BalanceInterruptHandler() {
 }
 
 void IRAM_ATTR CancelInterruptHandler() {
-	if (digitalRead(PIN_INTERRUPT_LINK))
+	if (digitalRead(PIN_INTERRUPT_CANCEL))
 		return;
 	state = STATE_IDLE;
 }