diff --git a/src/HttpHandler/Logging.fs b/src/HttpHandler/Logging.fs
index 9a74000..7f8e94b 100644
--- a/src/HttpHandler/Logging.fs
+++ b/src/HttpHandler/Logging.fs
@@ -15,11 +15,12 @@ module Logging =
     let private reqex =
         Regex(@"\{(.+?)(\[(.+?)\])?\}", RegexOptions.Multiline ||| RegexOptions.Compiled)
 
-    let private getHeaderValue (headers: Map<string,seq<string>>) (key : string): string =
+    let private getHeaderValue (headers: Map<string, seq<string>>) (key: string) : string =
         match headers.TryGetValue(key) with
-            | (true, v) -> 
-                match Seq.tryHead v with | first -> if first.IsSome then first.Value else String.Empty
-            | (false, _) -> String.Empty
+        | (true, v) ->
+            match Seq.tryHead v with
+            | first -> if first.IsSome then first.Value else String.Empty
+        | (false, _) -> String.Empty
 
     let private log' logLevel ctx content =
         match ctx.Request.Logger with
@@ -43,7 +44,7 @@ module Logging =
                         |> Option.toObj
                         :> _
                     | PlaceHolder.ResponseContent -> content :> _
-                    | PlaceHolder.ResponseHeader -> 
+                    | PlaceHolder.ResponseHeader ->
                         // GroupCollection returns empty string values for indexes beyond what was captured, therefore
                         // we don't cause an exception here if the optional second group was not captured
                         getHeaderValue (ctx.Response.Headers) (match'.Groups.[3].Value) :> _
diff --git a/test/Fetch.fs b/test/Fetch.fs
index 318a19a..bbbbab0 100644
--- a/test/Fetch.fs
+++ b/test/Fetch.fs
@@ -116,9 +116,9 @@ let ``Get with logging is OK`` () =
                 (task {
                     let responseMessage = new HttpResponseMessage(HttpStatusCode.OK)
                     responseMessage.Content <- new PushStreamContent("42")
-                    responseMessage.Headers.Add("test", value="test-value")
-                    responseMessage.Headers.Add("test2", value="not-included-in-log")
-                    responseMessage.Headers.Add("X-Request-ID", value="test-request-id")
+                    responseMessage.Headers.Add("test", value = "test-value")
+                    responseMessage.Headers.Add("test2", value = "not-included-in-log")
+                    responseMessage.Headers.Add("X-Request-ID", value = "test-request-id")
                     return responseMessage
                 }))
 
@@ -132,7 +132,10 @@ let ``Get with logging is OK`` () =
             |> withMetrics metrics
             |> withLogger logger
             |> withLogLevel LogLevel.Debug
-            |> withLogFormat (HttpContext.defaultLogFormat + "\n← {ResponseHeader[test]}\n← {ResponseHeader[X-Request-ID]}\n← {ResponseHeader}")
+            |> withLogFormat (
+                HttpContext.defaultLogFormat
+                + "\n← {ResponseHeader[test]}\n← {ResponseHeader[X-Request-ID]}\n← {ResponseHeader}"
+            )
             |> cache
 
         // Act
@@ -171,9 +174,9 @@ let ``Post with logging is OK`` () =
                     retries <- retries + 1
                     let responseMessage = new HttpResponseMessage(HttpStatusCode.OK)
                     responseMessage.Content <- new PushStreamContent("""{ "pong": 42 }""")
-                    responseMessage.Headers.Add("test", value="test-value")
-                    responseMessage.Headers.Add("test2", value="not-included-in-log")
-                    responseMessage.Headers.Add("X-Request-ID", value="test-request-id")
+                    responseMessage.Headers.Add("test", value = "test-value")
+                    responseMessage.Headers.Add("test2", value = "not-included-in-log")
+                    responseMessage.Headers.Add("X-Request-ID", value = "test-request-id")
                     return responseMessage
                 }))
 
@@ -189,7 +192,10 @@ let ``Post with logging is OK`` () =
             |> withHeader ("api-key", "test-key")
             |> withLogger (logger)
             |> withLogLevel LogLevel.Debug
-            |> withLogFormat (HttpContext.defaultLogFormat + "\n← {ResponseHeader[test]}\n← {ResponseHeader[X-Request-ID]}\n← {ResponseHeader}")
+            |> withLogFormat (
+                HttpContext.defaultLogFormat
+                + "\n← {ResponseHeader[test]}\n← {ResponseHeader[X-Request-ID]}\n← {ResponseHeader}"
+            )
             |> cache
 
         // Act