diff --git a/libraries/IRremote/src/digitalWriteFast.h b/libraries/IRremote/src/digitalWriteFast.h
index a43c5f2..0374788 100644
--- a/libraries/IRremote/src/digitalWriteFast.h
+++ b/libraries/IRremote/src/digitalWriteFast.h
@@ -318,7 +318,7 @@
 #include "wiring_LL.h"
 
 #define pinModeFast             fastPinMode
-#define digitalWriteFast(P, V)  ((V==1) ? GPIO_SET_PIN(digitalPinToPort(P), digitalPinToBitMask(P)) : GPIO_CLEAR_PIN(digitalPinToPort(P), digitalPinToBitMask(P)))
+#define digitalWriteFast(P, V)  (((V)==1) ? GPIO_SET_PIN(digitalPinToPort(P), digitalPinToBitMask(P)) : GPIO_CLEAR_PIN(digitalPinToPort(P), digitalPinToBitMask(P)))
 #define digitalReadFast(P)      GPIO_READ_PIN(digitalPinToPort(P), digitalPinToBitMask(P)) 
 #define digitalToggleFast(P)    GPIO_TOGGLE_PIN(digitalPinToPort(P), digitalPinToBitMask(P))