diff --git a/app/src/main/java/com/example/sprout/refactor/activity/BaseActivity.java b/app/src/main/java/com/example/sprout/refactor/activity/BaseActivity.java
index 07c6539..fefc454 100644
--- a/app/src/main/java/com/example/sprout/refactor/activity/BaseActivity.java
+++ b/app/src/main/java/com/example/sprout/refactor/activity/BaseActivity.java
@@ -23,6 +23,12 @@
         subscriptions = new CompositeDisposable();
     }
 
+    @Override
+    protected void onPause() {
+        super.onPause();
+        removeUiObserver();
+    }
+
     /**
      * 引数のObservableに対してsubscribeする
      *