diff --git a/Systems/fmgc-drivers.xml b/Systems/fmgc-drivers.xml
index 65c1f0af..5753eaa5 100644
--- a/Systems/fmgc-drivers.xml
+++ b/Systems/fmgc-drivers.xml
@@ -519,20 +519,17 @@
 				</equals>
 			</condition>
 			<expression>
-				<product>
-					<sum>
-						<property>/autopilot/route-manager/wp[0]/true-bearing-deg</property>
-						<product>
-							<property>/autopilot/internal/drift-angle-deg</property>
-							<value>-1</value>
-						</product>
-						<product>
-							<property>/orientation/heading-deg</property>
-							<value>-1</value>
-						</product>
-					</sum>
-					<value>1.5</value>
-				</product>
+				<sum>
+					<property>/autopilot/route-manager/wp[0]/true-bearing-deg</property>
+					<product>
+						<property>/autopilot/internal/drift-angle-deg</property>
+						<value>-1</value>
+					</product>
+					<product>
+						<property>/orientation/heading-deg</property>
+						<value>-1</value>
+					</product>
+				</sum>
 			</expression>
 		</input>
 		<input>
diff --git a/revision.txt b/revision.txt
index f9e0edcb..ab6dd9ed 100644
--- a/revision.txt
+++ b/revision.txt
@@ -1 +1 @@
-4010
\ No newline at end of file
+4011
\ No newline at end of file