diff --git a/fastlane/Fastfile b/fastlane/Fastfile
index a66e1a5..ce38850 100644
--- a/fastlane/Fastfile
+++ b/fastlane/Fastfile
@@ -37,7 +37,7 @@ platform :android do
         flavor: "Driver",
         build_type: "Release",
         properties: {
-          "android.injected.signing.store.file" => "$PWD/app/keystore.jks",
+          "android.injected.signing.store.file" => ENV['PWD'] + "/app/keystore.jks",
           "android.injected.signing.store.password" => ENV['RELEASE_STORE_PASSWORD'],
           "android.injected.signing.key.alias" => ENV['RELEASE_KEY_ALIAS'],
           "android.injected.signing.key.password" => ENV['RELEASE_KEY_PASSWORD'],