diff --git a/metadata/com.enrico.earthquake.batterysimplysolid.txt b/metadata/com.enrico.earthquake.batterysimplysolid.txt
index cd11736fbe..0f2da882d4 100644
--- a/metadata/com.enrico.earthquake.batterysimplysolid.txt
+++ b/metadata/com.enrico.earthquake.batterysimplysolid.txt
@@ -39,7 +39,7 @@ Build:2.0.3,5
     gradle=yes
 
 Build:2.1,6
-    commit=2.1
+    commit=v2.1
     subdir=project/app
     gradle=yes