diff --git a/src/core/Effect.cpp b/src/core/Effect.cpp
index 83df28b24..37133d4d5 100644
--- a/src/core/Effect.cpp
+++ b/src/core/Effect.cpp
@@ -190,7 +190,7 @@ void Effect::checkGate(double outSum)
 
 	// Check whether we need to continue processing input.  Restart the
 	// counter if the threshold has been exceeded.
-	if (approximatelyEqual(outSum, gate()))
+	if (outSum - gate() <= F_EPSILON)
 	{
 		incrementBufferCount();
 		if( bufferCount() > timeout() )