diff --git a/src/main/java/edu/harvard/iq/dataverse/api/Users.java b/src/main/java/edu/harvard/iq/dataverse/api/Users.java
index b1177531874..d3b938af960 100644
--- a/src/main/java/edu/harvard/iq/dataverse/api/Users.java
+++ b/src/main/java/edu/harvard/iq/dataverse/api/Users.java
@@ -83,7 +83,7 @@ public Response mergeInAuthenticatedUser(@PathParam("consumedIdentifier") String
             return error(Response.Status.BAD_REQUEST, "Error calling ChangeUserIdentifierCommand: " + e.getLocalizedMessage());
         }
 
-        return ok("All account data for " + consumedIdentifier + " has been merged into " + baseIdentifier + " .");
+        return ok(String.format("All account data for %s has been merged into %s.", consumedIdentifier, baseIdentifier));
     }
 
     @POST