diff --git a/build/android/app/build.gradle b/build/android/app/build.gradle
index c0ecd4d..dd1b471 100644
--- a/build/android/app/build.gradle
+++ b/build/android/app/build.gradle
@@ -35,6 +35,7 @@ android {
     }
     sourceSets {
         main {
+            java.srcDirs += ['../../../src/engine/platform/java/com/kaliber/base']
             assets.srcDirs = ['../../../assets']
         }
     }
diff --git a/build/android/app/src/main/java/com/kaliber/base/KaliberActivity.java b/src/engine/platform/java/com/kaliber/base/KaliberActivity.java
similarity index 100%
rename from build/android/app/src/main/java/com/kaliber/base/KaliberActivity.java
rename to src/engine/platform/java/com/kaliber/base/KaliberActivity.java