diff --git a/core/src/main/scala/io/fintrospect/formats/ResponseContentMagnet.scala b/core/src/main/scala/io/fintrospect/formats/ResponseContentMagnet.scala
index 33377f06..96c0d844 100644
--- a/core/src/main/scala/io/fintrospect/formats/ResponseContentMagnet.scala
+++ b/core/src/main/scala/io/fintrospect/formats/ResponseContentMagnet.scala
@@ -18,42 +18,58 @@ object ResponseContentMagnet {
   /**
     * Convert Buf to a ResponseBuilderMagnet for building responses
     */
-  implicit def bufToMagnet[T](s: Buf): ResponseContentMagnet[T] = (b: ResponseBuilder[T]) => b.withContent(s)
+  implicit def bufToMagnet[T](s: Buf): ResponseContentMagnet[T] = new ResponseContentMagnet[T] {
+    override def apply(b: ResponseBuilder[T]) = b.withContent(s)
+  }
 
   /**
     * Convert OutputStream writing function to a ResponseBuilderMagnet for building responses
     */
-  implicit def outputStreamToMagnet[T](f: OutputStream => Unit): ResponseContentMagnet[T] = (b: ResponseBuilder[T]) => b.withContent(f)
+  implicit def outputStreamToMagnet[T](f: OutputStream => Unit): ResponseContentMagnet[T] = new ResponseContentMagnet[T] {
+    override def apply(b: ResponseBuilder[T]) = b.withContent(f)
+  }
 
   /**
     * Convert ChannelBuffer to a ResponseBuilderMagnet for building responses
     */
-  implicit def channelBufferToMagnet[T](bytebuf: ByteBuf): ResponseContentMagnet[T] = (b: ResponseBuilder[T]) => b.withContent(bytebuf)
+  implicit def channelBufferToMagnet[T](bytebuf: ByteBuf): ResponseContentMagnet[T] = new ResponseContentMagnet[T] {
+    override def apply(b: ResponseBuilder[T]) = b.withContent(bytebuf)
+  }
 
   /**
     * Convert AsyncStream to a ResponseBuilderMagnet for building responses
     */
-  implicit def streamToMagnet[T](stream: AsyncStream[T]): ResponseContentMagnet[T] = (b: ResponseBuilder[T]) => b.withContent(stream)
+  implicit def streamToMagnet[T](stream: AsyncStream[T]): ResponseContentMagnet[T] = new ResponseContentMagnet[T] {
+    override def apply(b: ResponseBuilder[T]) = b.withContent(stream)
+  }
 
   /**
     * Convert Reader to a ResponseBuilderMagnet for building responses
     */
-  implicit def readerToMagnet[T](reader: Reader[Buf]): ResponseContentMagnet[T] = (b: ResponseBuilder[T]) => b.withContent(reader)
+  implicit def readerToMagnet[T](reader: Reader[Buf]): ResponseContentMagnet[T] = new ResponseContentMagnet[T] {
+    override def apply(b: ResponseBuilder[T]) = b.withContent(reader)
+  }
 
   /**
     * Convert a custom format type (eg. JsonObject) to a ResponseBuilderMagnet for building responses
     */
-  implicit def customFormatToMagnet[T](t: T): ResponseContentMagnet[T] = (b: ResponseBuilder[T]) => b.withContent(t)
+  implicit def customFormatToMagnet[T](t: T): ResponseContentMagnet[T] = new ResponseContentMagnet[T] {
+    override def apply(b: ResponseBuilder[T]) = b.withContent(t)
+  }
 
   /**
     * Convert String to a ResponseBuilderMagnet for building responses
     */
-  implicit def stringToMagnet[T](s: String): ResponseContentMagnet[T] = (b: ResponseBuilder[T]) => if (b.response.status.code < 400) b.withContent(s) else b.withErrorMessage(s)
+  implicit def stringToMagnet[T](s: String): ResponseContentMagnet[T] = new ResponseContentMagnet[T] {
+    override def apply(b: ResponseBuilder[T]) = if (b.response.status.code < 400) b.withContent(s) else b.withErrorMessage(s)
+  }
 
   /**
     * Convert an Exception to a ResponseBuilderMagnet for building responses
     */
-  implicit def exceptionToMagnet[T](error: Throwable): ResponseContentMagnet[T] = (b: ResponseBuilder[T]) => b.withError(error)
+  implicit def exceptionToMagnet[T](error: Throwable): ResponseContentMagnet[T] = new ResponseContentMagnet[T] {
+    override def apply(b: ResponseBuilder[T]) = b.withError(error)
+  }
 }