diff --git a/src/com/android/phone/PhoneGlobals.java b/src/com/android/phone/PhoneGlobals.java
index 88ff579..a73be65 100644
--- a/src/com/android/phone/PhoneGlobals.java
+++ b/src/com/android/phone/PhoneGlobals.java
@@ -593,6 +593,7 @@
         Log.i(LOG_TAG, "Turning radio off - airplane");
         Settings.Global.putInt(context.getContentResolver(), Settings.Global.CELL_ON,
                  PhoneConstants.CELL_OFF_DUE_TO_AIRPLANE_MODE_FLAG);
+        SystemProperties.set("persist.radio.airplane_mode_on", "1");
         Settings.Global.putInt(getContentResolver(), Settings.Global.ENABLE_CELLULAR_ON_BOOT, 0);
         PhoneUtils.setRadioPower(false);
     }
@@ -603,6 +604,7 @@
                 PhoneConstants.CELL_ON_FLAG);
         Settings.Global.putInt(getContentResolver(), Settings.Global.ENABLE_CELLULAR_ON_BOOT,
                 1);
+        SystemProperties.set("persist.radio.airplane_mode_on", "0");
         PhoneUtils.setRadioPower(true);
     }