diff --git a/ZSU-23/Models/ZSU-23-4M.xml b/ZSU-23/Models/ZSU-23-4M.xml
index 7f25f25..6cb2e99 100644
--- a/ZSU-23/Models/ZSU-23-4M.xml
+++ b/ZSU-23/Models/ZSU-23-4M.xml
@@ -56,7 +56,7 @@
 	<object-name>muzzle_UR</object-name>
 	<condition>
 	    <property>/sim/rendering/shaders/skydome</property><!-- als -->
-	    <property>sim/multiplay/generic/bool[0]</property><!-- gun firing -->
+	    <property>sim/multiplay/generic/int[1]</property><!-- gun firing -->
 	</condition>
     </animation>
     
diff --git a/ZSU-23/zsu-23-set.xml b/ZSU-23/zsu-23-set.xml
index bbc8b2a..cf3c003 100644
--- a/ZSU-23/zsu-23-set.xml
+++ b/ZSU-23/zsu-23-set.xml
@@ -109,11 +109,11 @@
         <multiplay>
             <generic>
                 <int n="0" type="int">0</int>
+		<int n="1" type="int" alias="/controls/armament/trigger"/>
 		<float n="0" type="double">0</float> <!-- Turret azimuth -->
 		<float n="1" type="double">0</float> <!-- gun elevation -->
 		<float n="2" type="double">0</float> <!-- radar azimuth -->
 		<float n="3" type="double">0</float> <!-- radar elevation -->
-		<bool n="0" type="bool" alias="/controls/armament/trigger"/>
             </generic>
         </multiplay>