diff --git a/src/fceu.cpp b/src/fceu.cpp
index f81af645..2c71e5d4 100644
--- a/src/fceu.cpp
+++ b/src/fceu.cpp
@@ -471,7 +471,7 @@ void SetAutoFireOffset(int offset)
 void AutoFire(void)
 {
 	static int counter = 0;
-	counter = (++counter) % (8*7*5*3);
+	counter = (counter + 1) % (8*7*5*3);
 	//If recording a movie, use the frame # for the autofire so the offset
 	//doesn't get screwed up when loading.
 	if(FCEUMOV_Mode(MOVIEMODE_RECORD | MOVIEMODE_PLAY))