diff --git a/src/main/java/com/nutomic/syncthingandroid/fragments/DrawerFragment.java b/src/main/java/com/nutomic/syncthingandroid/fragments/DrawerFragment.java
index 9115d2e4..ea12b10b 100644
--- a/src/main/java/com/nutomic/syncthingandroid/fragments/DrawerFragment.java
+++ b/src/main/java/com/nutomic/syncthingandroid/fragments/DrawerFragment.java
@@ -97,8 +97,10 @@ public class DrawerFragment extends Fragment implements RestApi.OnReceiveSystemI
     }
 
     public void onDrawerClosed() {
-        mTimer.cancel();
-        mTimer = null;
+        if (mTimer != null) {
+            mTimer.cancel();
+            mTimer = null;
+        }
     }
 
     @Override