diff --git a/modules/swagger-codegen/src/main/resources/elm/Main.mustache b/modules/swagger-codegen/src/main/resources/elm/Main.mustache
index f3f55380df4..b0a2ce0b52c 100644
--- a/modules/swagger-codegen/src/main/resources/elm/Main.mustache
+++ b/modules/swagger-codegen/src/main/resources/elm/Main.mustache
@@ -29,7 +29,7 @@ type Msg
 update : Msg -> Model -> (Model, Cmd Msg)
 update msg model =
     case msg of
-        NoOp
+        NoOp ->
             ( model, Cmd.none )
 
 
diff --git a/samples/client/petstore/elm/.swagger-codegen/VERSION b/samples/client/petstore/elm/.swagger-codegen/VERSION
index f9f7450d135..855ff9501eb 100644
--- a/samples/client/petstore/elm/.swagger-codegen/VERSION
+++ b/samples/client/petstore/elm/.swagger-codegen/VERSION
@@ -1 +1 @@
-2.3.0-SNAPSHOT
\ No newline at end of file
+2.4.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/elm/README.md b/samples/client/petstore/elm/README.md
index 7ff9da30240..e7b5b81c333 100644
--- a/samples/client/petstore/elm/README.md
+++ b/samples/client/petstore/elm/README.md
@@ -7,5 +7,5 @@ This API client was generated by the [swagger-codegen](https://github.com/swagge
 
 - API version: 1.0.0
 - Package version: 
-- Build date: 2017-12-20T12:18:55.677+01:00
+- Build date: 2018-02-25T14:13:54.595+01:00
 - Build package: io.swagger.codegen.languages.ElmClientCodegen
diff --git a/samples/client/petstore/elm/src/Main.elm b/samples/client/petstore/elm/src/Main.elm
index f3f55380df4..b0a2ce0b52c 100644
--- a/samples/client/petstore/elm/src/Main.elm
+++ b/samples/client/petstore/elm/src/Main.elm
@@ -29,7 +29,7 @@ type Msg
 update : Msg -> Model -> (Model, Cmd Msg)
 update msg model =
     case msg of
-        NoOp
+        NoOp ->
             ( model, Cmd.none )