diff --git a/metadata/org.yaxim.androidclient.txt b/metadata/org.yaxim.androidclient.txt
index c1e9a9126d..7c09c05fb6 100644
--- a/metadata/org.yaxim.androidclient.txt
+++ b/metadata/org.yaxim.androidclient.txt
@@ -20,7 +20,7 @@ Build Version:0.8.0,9,0.8.0,oldsdkloc=yes,submodules=yes,fixtrans=yes,target=and
 Build Version:0.8.1,10,0.8.1,oldsdkloc=yes,submodules=yes,fixtrans=yes,target=android-10
 Build Version:0.8.2,11,0.8.2,oldsdkloc=yes,submodules=yes,fixtrans=yes,target=android-10
 Build Version:0.8.3,12,!can't find corresponding source code
-Build Version:0.8.4,13,0.8.4,oldsdkloc=yes,submodules=yes,fixtrans=yes,target=android-10,prebuild=android update project -p android-actionbar/actionbar
+Build Version:0.8.4,13,0.8.4,oldsdkloc=yes,submodules=yes,fixtrans=yes,target=android-10,prebuild=android update project -p android-actionbar/actionbar,prebuild=sed -i "s/-optimi.*/-dontoptimize/" proguard.cfg
 
 Update Check Mode:None
 Current Version:0.8.4