diff --git a/Nasal/Systems/fadec-common.nas b/Nasal/Systems/fadec-common.nas
index 9a6d100f..9e4c0eb2 100644
--- a/Nasal/Systems/fadec-common.nas
+++ b/Nasal/Systems/fadec-common.nas
@@ -120,11 +120,11 @@ var FADEC = {
 		pts.Gear.wowTemp[1] = pts.Gear.wow[1].getValue();
 		pts.Gear.wowTemp[2] = pts.Gear.wow[2].getValue();
 		
-		if (me.Limit.flexActiveCmd.getBoolValue() and me.n1Mode[0].getValue() == 0 and me.n1Mode[1].getValue() == 0 and pts.Gear.wowTemp[1] and pts.Gear.wowTemp[2] and pts.Velocities.groundspeedKt.getValue() < 40 and (pts.Engines.Engine.stateTemp[0] == 3 or pts.Engines.Engine.stateTemp[1] == 3)) {
+		if (me.Limit.flexActiveCmd.getBoolValue() and me.n1Mode[0].getValue() == 0 and me.n1Mode[1].getValue() == 0 and pts.Gear.wowTemp[1] and pts.Gear.wowTemp[2] and pts.Velocities.groundspeedKt.getValue() < 40) {
 			if (!me.Limit.flexActive.getBoolValue()) {
 				me.Limit.flexActive.setBoolValue(1);
 			}
-		} else if (!me.Limit.flexActiveCmd.getBoolValue() or pts.Engines.Engine.stateTemp[0] != 3 or pts.Engines.Engine.stateTemp[1] != 3) {
+		} else if (!me.Limit.flexActiveCmd.getBoolValue()) {
 			if (me.Limit.flexActive.getBoolValue()) {
 				me.Limit.flexActive.setBoolValue(0);
 			}
diff --git a/Systems/a320-cfm56-5b4-engine-fadec.xml b/Systems/a320-cfm56-5b4-engine-fadec.xml
index e871045a..d60ada3a 100644
--- a/Systems/a320-cfm56-5b4-engine-fadec.xml
+++ b/Systems/a320-cfm56-5b4-engine-fadec.xml
@@ -1133,12 +1133,12 @@
 			<test logic="AND" value="3"> <!-- FLX -->
 				fadec/max-detent eq 4
 				fadec/limit/flex-active eq 1
-				fadec/limit/eng-off-wow-switch eq 0
+				position/wow eq 0
 			</test>
 			<test logic="AND" value="3"> <!-- FLX -->
 				fadec/max-detent le 4
 				fadec/limit/flex-active eq 1
-				fadec/limit/eng-off-wow-switch eq 1
+				position/wow eq 1
 			</test>
 			<test logic="AND" value="1"> <!-- MCT -->
 				fadec/max-detent le 4
diff --git a/Systems/a320-v2527-a5-engine-fadec.xml b/Systems/a320-v2527-a5-engine-fadec.xml
index 26c5ee3a..fd6fe741 100644
--- a/Systems/a320-v2527-a5-engine-fadec.xml
+++ b/Systems/a320-v2527-a5-engine-fadec.xml
@@ -1594,12 +1594,12 @@
 			<test logic="AND" value="3"> <!-- FLX -->
 				fadec/max-detent eq 4
 				fadec/limit/flex-active eq 1
-				fadec/limit/eng-off-wow-switch eq 0
+				position/wow eq 0
 			</test>
 			<test logic="AND" value="3"> <!-- FLX -->
 				fadec/max-detent le 4
 				fadec/limit/flex-active eq 1
-				fadec/limit/eng-off-wow-switch eq 1
+				position/wow eq 1
 			</test>
 			<test logic="AND" value="1"> <!-- MCT -->
 				fadec/max-detent le 4