diff --git a/OpenKeychain/build.gradle b/OpenKeychain/build.gradle
index 261cb1909..7bd1c4f69 100644
--- a/OpenKeychain/build.gradle
+++ b/OpenKeychain/build.gradle
@@ -189,6 +189,7 @@ android {
         debug {
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            testProguardFile('proguard-rules.pro')
 
             applicationIdSuffix ".debug"