diff --git a/src/main/java/org/radarbase/fcm/downstream/AdminSdkFcmSender.java b/src/main/java/org/radarbase/fcm/downstream/AdminSdkFcmSender.java
index fb982d17..2c3579d9 100644
--- a/src/main/java/org/radarbase/fcm/downstream/AdminSdkFcmSender.java
+++ b/src/main/java/org/radarbase/fcm/downstream/AdminSdkFcmSender.java
@@ -204,7 +204,7 @@ private ApnsConfig.Builder getApnsConfigBuilder(FcmDownstreamMessage message, Du
         apsAlertBuilder.addTitleLocalizationArg(titleLocArgs);
 
       String bodyLocKey = getString(notificationMessage.getNotification().get("body_loc_key"));
-      if (bodyLocKey != null) apsAlertBuilder.setLocalizationKey("body_loc_key");
+      if (bodyLocKey != null) apsAlertBuilder.setLocalizationKey(bodyLocKey);
 
       String bodyLocArgs = getString(notificationMessage.getNotification().get("body_loc_args"));
       if (bodyLocKey != null && bodyLocArgs != null)