diff --git a/metadata/com.vsmartcard.remotesmartcardreader.app.txt b/metadata/com.vsmartcard.remotesmartcardreader.app.txt
index 82bd161522..85fc499468 100644
--- a/metadata/com.vsmartcard.remotesmartcardreader.app.txt
+++ b/metadata/com.vsmartcard.remotesmartcardreader.app.txt
@@ -22,6 +22,7 @@ Build:1.0,1
     commit=d35e8e8de1783b39d9a4418adeaf25e953838169
     subdir=remote-reader/app
     gradle=yes
+    prebuild=sed -i -e 's@com.android.support:appcompat-v7:+@com.android.support:appcompat-v7:20.+@g' build.gradle
 
 Auto Update Mode:None
 Update Check Mode:RepoManifest