diff --git a/CHANGELOG.md b/CHANGELOG.md
index 47c1df6..7c97e7a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.1.8.0
+
+- Add support for reaction [#48](https://github.com/softwarefactory-project/matrix-client-haskell/pull/48)
+
 ## 0.1.7.0
 
 - Improve login response by making the home server field optional [#45](https://github.com/softwarefactory-project/matrix-client-haskell/pull/45)
diff --git a/matrix-client.cabal b/matrix-client.cabal
index 7e57f47..aaa081a 100644
--- a/matrix-client.cabal
+++ b/matrix-client.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.4
 name: matrix-client
-version: 0.1.7.0
+version: 0.1.8.0
 synopsis: A matrix client library
 description:
   Matrix client is a library to interface with https://matrix.org.
diff --git a/src/Network/Matrix/Client.hs b/src/Network/Matrix/Client.hs
index 2c944ba..c1d951b 100644
--- a/src/Network/Matrix/Client.hs
+++ b/src/Network/Matrix/Client.hs
@@ -1228,7 +1228,7 @@ mkReply room re mt =
             EventRoomMessage (RoomMessageText oldMT) -> updateText oldMT
             EventRoomReply _ (RoomMessageText oldMT) -> updateText oldMT
             EventRoomEdit _ (RoomMessageText oldMT) -> updateText oldMT
-            EventReaction _ _ -> error $ "Can't reply to reaction"
+            EventReaction _ _ -> error "Can't reply to reaction"
             EventUnknown x -> error $ "Can't reply to " <> show x
      in EventRoomReply eventID (RoomMessageText newMessage)
 
diff --git a/src/Network/Matrix/Events.hs b/src/Network/Matrix/Events.hs
index 61738a8..4fed9bc 100644
--- a/src/Network/Matrix/Events.hs
+++ b/src/Network/Matrix/Events.hs
@@ -64,7 +64,7 @@ messageTextAttr msg =
     formattedBody = omitNull "formatted_body" $ mtFormattedBody msg
 
 reactionAttr :: [Pair]
-reactionAttr = [ "msg_type" .= ("m.reaction" :: Text) ]
+reactionAttr = ["msg_type" .= ("m.reaction" :: Text)]
 
 instance ToJSON MessageText where
     toJSON = object . messageTextAttr
@@ -144,8 +144,9 @@ instance FromJSON Event where
         parseRelated = do
             relateM <- content .: "m.relates_to"
             case relateM of
-                Object relate -> parseReply relate
-                             <|> parseByRelType relate
+                Object relate ->
+                    parseReply relate
+                        <|> parseByRelType relate
                 _ -> mzero
         -- rich replies is a special kind of a relationship not using rel_type
         -- https://spec.matrix.org/v1.17/client-server-api/#rich-replies
@@ -173,7 +174,7 @@ eventType event = case event of
     EventRoomMessage _ -> "m.room.message"
     EventRoomReply _ _ -> "m.room.message"
     EventRoomEdit _ _ -> "m.room.message"
-    EventReaction _ _ -> "m.reaction"   -- https://spec.matrix.org/latest/client-server-api/#mreaction
+    EventReaction _ _ -> "m.reaction" -- https://spec.matrix.org/latest/client-server-api/#mreaction
     EventUnknown _ -> error $ "Event is not implemented: " <> show event
 
 newtype Annotation = Annotation {unAnnotation :: Text} deriving (Show, Eq, Ord)
diff --git a/test/Spec.hs b/test/Spec.hs
index 4598df6..69e3628 100644
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -101,7 +101,7 @@ spec = describe "unit tests" $ do
         case resp of
             Right (Right (EventReaction eventID (Annotation annText))) -> do
                 eventID `shouldBe` EventID "$eventID"
-                annText `shouldBe` "\128077"    -- :+1:
+                annText `shouldBe` "\128077" -- :+1:
             _ -> error $ show resp
     it "encode room message" $
         encodePretty (RoomMessageText (MessageText "Hello" TextType Nothing Nothing))