1 files changed, 4 insertions, 1 deletions
diff --git a/lib/OwnTracks/Location.hs b/lib/OwnTracks/Location.hs
index b4bf807..987de73 100644
--- a/lib/OwnTracks/Location.hs
+++ b/lib/OwnTracks/Location.hs
@@ -64,7 +64,7 @@ instance FromJSON Trigger where
   parseJSON _ = fail "Trigger Type must be a string"
 
 data MonitoringMode = Quiet | Manual | Significant | Move
-  deriving (Generic, Show, Eq)
+  deriving (Generic, Show, Eq, Enum)
 
 instance FromJSON MonitoringMode where
   parseJSON (Number i) = case i of
@@ -75,6 +75,9 @@ instance FromJSON MonitoringMode where
     _  -> fail "Unknown Monitoring Mode (not in -1,..,2)"
   parseJSON _ = fail "Monitoring Mode must be a number"
 
+instance ToJSON MonitoringMode where
+  toJSON m = toJSON (fromEnum m - 1)
+
 data Connection =
     Wifi { connectionSSID  :: Maybe Text
          -- ^ if available, is the unique name of the WLAN. (iOS,string/optional)