diff --git a/Sounds/A320-common-sound.xml b/Sounds/A320-common-sound.xml
index 0daf103f..2edca093 100644
--- a/Sounds/A320-common-sound.xml
+++ b/Sounds/A320-common-sound.xml
@@ -1498,8 +1498,10 @@
 			<mode>looped</mode>
 			<type>avionics</type>
 			<condition>
-				<property>/ECAM/warnings/master-warning-light</property>
-				<property>/sim/sound/warnings/crc</property>
+				<and>
+					<property>/ECAM/warnings/master-warning-light</property>
+					<property>/sim/sound/warnings/crc</property>
+				</and>
 			</condition>
 			<volume>
 				<property>sim/sound/effects/volume</property>