diff --git a/data/src/main/java/one/nem/lacerta/data/impl/CommonsImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/CommonsImpl.java
index 35653755..60a40246 100644
--- a/data/src/main/java/one/nem/lacerta/data/impl/CommonsImpl.java
+++ b/data/src/main/java/one/nem/lacerta/data/impl/CommonsImpl.java
@@ -12,7 +12,7 @@ import one.nem.lacerta.data.repository.Commons;
 
 public class CommonsImpl implements Commons{
 
-    private Context applicationContext;
+    private final Context applicationContext;
 
     @Inject
     public CommonsImpl(@ApplicationContext Context applicationContext) {