diff --git a/android/src/main/java/com/evollu/react/fcm/FIRLocalMessagingHelper.java b/android/src/main/java/com/evollu/react/fcm/FIRLocalMessagingHelper.java
index eca899afc0f6e38788bb525bf97a540aab3ce632..fe7027c2cedea627a0c5938f21ddbe43f85fa82c 100644
--- a/android/src/main/java/com/evollu/react/fcm/FIRLocalMessagingHelper.java
+++ b/android/src/main/java/com/evollu/react/fcm/FIRLocalMessagingHelper.java
@@ -82,7 +82,6 @@ public class FIRLocalMessagingHelper {
                     .setSubText(bundle.getString("sub_text"))
                     .setGroup(bundle.getString("group"))
                     .setVibrate(new long[]{0, DEFAULT_VIBRATION})
-                    .setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION))
                     .setExtras(bundle.getBundle("data"));
 
             //priority
@@ -151,14 +150,18 @@ public class FIRLocalMessagingHelper {
             }
 
             //sound
-            String soundName = bundle.getString("sound", "default");
-            if (!soundName.equalsIgnoreCase("default")) {
-                int soundResourceId = res.getIdentifier(soundName, "raw", packageName);
-                if(soundResourceId == 0){
-                    soundName = soundName.substring(0, soundName.lastIndexOf('.'));
-                    soundResourceId = res.getIdentifier(soundName, "raw", packageName);
+            String soundName = bundle.getString("sound");
+            if (soundName != null) {
+                if (soundName.equalsIgnoreCase("default")) {
+                    notification.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION));
+                } else {
+                    int soundResourceId = res.getIdentifier(soundName, "raw", packageName);
+                    if (soundResourceId == 0) {
+                        soundName = soundName.substring(0, soundName.lastIndexOf('.'));
+                        soundResourceId = res.getIdentifier(soundName, "raw", packageName);
+                    }
+                    notification.setSound(Uri.parse("android.resource://" + packageName + "/" + soundResourceId));
                 }
-                notification.setSound(Uri.parse("android.resource://" + packageName + "/" + soundResourceId));
             }
 
             //color
diff --git a/ios/RNFIRMessaging.m b/ios/RNFIRMessaging.m
index df47395135d9ebead889ec3bd610bd2690e01e17..f4b64ad1915cb03766afc44c7541ef149dc05741 100644
--- a/ios/RNFIRMessaging.m
+++ b/ios/RNFIRMessaging.m
@@ -45,9 +45,11 @@ RCT_ENUM_CONVERTER(NSCalendarUnit,
     content.body =[RCTConvert NSString:details[@"body"]];
     NSString* sound = [RCTConvert NSString:details[@"sound"]];
     if(sound != nil){
-        content.sound = [UNNotificationSound soundNamed:sound];
-    }else{
-        content.sound = [UNNotificationSound defaultSound];
+        if ([sound isEqual:@"default"]) {
+            content.sound = [UNNotificationSound defaultSound];
+        } else {
+            content.sound = [UNNotificationSound soundNamed:sound];
+        }
     }
     content.categoryIdentifier = [RCTConvert NSString:details[@"click_action"]];
     content.userInfo = details;