diff --git a/android/app/src/main/java/com/gutenberg/MainApplication.java b/android/app/src/main/java/com/gutenberg/MainApplication.java
index 31a3da56c6..3959043749 100644
--- a/android/app/src/main/java/com/gutenberg/MainApplication.java
+++ b/android/app/src/main/java/com/gutenberg/MainApplication.java
@@ -137,7 +137,9 @@ public void editorDidEmitLog(String message, LogLevel logLevel) {
             public void performRequest(String path, Consumer<String> onSuccess, Consumer<Bundle> onError) {}
 
             @Override
-            public void onAddMention(Consumer<String> onSuccess) {}
+            public void onAddMention(Consumer<String> onSuccess) {
+                onSuccess.accept("matt");
+            }
 
         }, isDarkMode());