--- old/application/org.openjdk.jmc.flightrecorder.ext.jfx/src/main/java/org/openjdk/jmc/flightrecorder/ext/jfx/JfxPulseDurationRule.java	2018-07-02 15:01:52.000000000 +0200
+++ new/application/org.openjdk.jmc.flightrecorder.ext.jfx/src/main/java/org/openjdk/jmc/flightrecorder/ext/jfx/JfxPulseDurationRule.java	2018-07-02 15:01:52.000000000 +0200
@@ -77,7 +77,7 @@
 
 	private Result getResult(IItemCollection items, IPreferenceValueProvider valueProvider) {
 		EventAvailability eventAvailability = RulesToolkit.getEventAvailability(items, JfxConstants.JFX_PULSE_ID);
-		if (eventAvailability == EventAvailability.DISABLED || eventAvailability == EventAvailability.UNAVAILABLE
+		if (eventAvailability == EventAvailability.DISABLED || eventAvailability == EventAvailability.UNKNOWN
 				|| eventAvailability == EventAvailability.NONE) {
 			return RulesToolkit.getEventAvailabilityResult(this, items, eventAvailability, JfxConstants.JFX_PULSE_ID);
 		}