diff --git a/android/src/main/java/com/timesafari/dailynotification/NotifyReceiver.kt b/android/src/main/java/com/timesafari/dailynotification/NotifyReceiver.kt
index ecd53f0..127f6ac 100644
--- a/android/src/main/java/com/timesafari/dailynotification/NotifyReceiver.kt
+++ b/android/src/main/java/com/timesafari/dailynotification/NotifyReceiver.kt
@@ -474,26 +474,37 @@ class NotifyReceiver : BroadcastReceiver() {
                     return
                 }
             }
-            val pendingIntent = PendingIntent.getBroadcast(
-                context,
-                requestCode,
-                intent,
-                PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
-            )
-            alarmManager.cancel(pendingIntent)
-            Log.i(TAG, "DNP-CANCEL: Notification alarm cancelled: scheduleId=$scheduleId, triggerAt=$triggerAtMillis, requestCode=$requestCode")
             
-            // Verify cancellation by checking if alarm still exists
-            val verifyIntent = PendingIntent.getBroadcast(
+            // CRITICAL: Use FLAG_NO_CREATE to get existing PendingIntent, don't create new one
+            // This matches the pattern used in scheduleExactNotification for proper cancellation
+            val existingPendingIntent = PendingIntent.getBroadcast(
                 context,
                 requestCode,
                 intent,
                 PendingIntent.FLAG_NO_CREATE or PendingIntent.FLAG_IMMUTABLE
             )
-            if (verifyIntent == null) {
-                Log.d(TAG, "DNP-CANCEL: ✅ Cancellation verified - no PendingIntent found for requestCode=$requestCode")
+            
+            if (existingPendingIntent != null) {
+                // Cancel both the alarm in AlarmManager AND the PendingIntent itself
+                // This matches the pattern in scheduleExactNotification (lines 311-312)
+                alarmManager.cancel(existingPendingIntent)
+                existingPendingIntent.cancel()
+                Log.i(TAG, "DNP-CANCEL: Notification alarm cancelled: scheduleId=$scheduleId, triggerAt=$triggerAtMillis, requestCode=$requestCode")
+                
+                // Verify cancellation by checking if alarm still exists
+                val verifyIntent = PendingIntent.getBroadcast(
+                    context,
+                    requestCode,
+                    intent,
+                    PendingIntent.FLAG_NO_CREATE or PendingIntent.FLAG_IMMUTABLE
+                )
+                if (verifyIntent == null) {
+                    Log.d(TAG, "DNP-CANCEL: ✅ Cancellation verified - no PendingIntent found for requestCode=$requestCode")
+                } else {
+                    Log.w(TAG, "DNP-CANCEL: ⚠️ Cancellation may have failed - PendingIntent still exists for requestCode=$requestCode")
+                }
             } else {
-                Log.w(TAG, "DNP-CANCEL: ⚠️ Cancellation may have failed - PendingIntent still exists for requestCode=$requestCode")
+                Log.d(TAG, "DNP-CANCEL: No existing PendingIntent found to cancel: scheduleId=$scheduleId, requestCode=$requestCode")
             }
         }