diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/GerritGwtUI.gwt.xml b/gerrit-gwtui/src/main/java/com/google/gerrit/GerritGwtUI.gwt.xml
index cc50424cf0..ae21a1b2f1 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/GerritGwtUI.gwt.xml
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/GerritGwtUI.gwt.xml
@@ -29,6 +29,7 @@
 
   <extend-property name='locale' values='en'/>
   <set-property-fallback name='locale' value='en'/>
+  <set-property name='locale' value='en'/>
 
   <entry-point class='com.google.gerrit.client.Gerrit'/>
 </module>