diff --git a/telephony/java/com/android/internal/telephony/DctConstants.java b/telephony/java/com/android/internal/telephony/DctConstants.java
index 15d19a49ee564..541292a1e230d 100644
--- a/telephony/java/com/android/internal/telephony/DctConstants.java
+++ b/telephony/java/com/android/internal/telephony/DctConstants.java
@@ -114,6 +114,7 @@ public class DctConstants {
     public static final int EVENT_CARRIER_CONFIG_CHANGED = BASE + 54;
     public static final int EVENT_SIM_STATE_UPDATED = BASE + 55;
     public static final int EVENT_APN_UNTHROTTLED = BASE + 56;
+    public static final int EVENT_AIRPLANE_MODE_CHANGED = BASE + 57;
 
     /***** Constants *****/