diff --git a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/AppScope.java b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/AppScope.kt
similarity index 90%
rename from android/uhabits-core/src/main/java/org/isoron/uhabits/core/AppScope.java
rename to android/uhabits-core/src/main/java/org/isoron/uhabits/core/AppScope.kt
index 0aa1b9b52..0edee801d 100644
--- a/android/uhabits-core/src/main/java/org/isoron/uhabits/core/AppScope.java
+++ b/android/uhabits-core/src/main/java/org/isoron/uhabits/core/AppScope.kt
@@ -16,10 +16,9 @@
  * You should have received a copy of the GNU General Public License along
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+package org.isoron.uhabits.core
 
-package org.isoron.uhabits.core;
-
-import javax.inject.*;
+import javax.inject.*
 
 @Scope
-public @interface AppScope {}
+annotation class AppScope 
\ No newline at end of file