diff --git a/source/Stargate-Model-Tests/RESTfulControllerAcceptNegotiatorTest.class.st b/source/Stargate-Model-Tests/RESTfulControllerAcceptNegotiatorTest.class.st
index 52fe832..f7dbd86 100644
--- a/source/Stargate-Model-Tests/RESTfulControllerAcceptNegotiatorTest.class.st
+++ b/source/Stargate-Model-Tests/RESTfulControllerAcceptNegotiatorTest.class.st
@@ -57,6 +57,24 @@ RESTfulControllerAcceptNegotiatorTest >> testAPIExactMatch [
 		assertBestRepresentationFor: 'application/vnd.stargate.pet.summary+json;version=1.0.0' given: apiMediaTypes is: 'application/vnd.stargate.pet.summary+json;version=1.0.0' asMediaType
 ]
 
+{ #category : #tests }
+RESTfulControllerAcceptNegotiatorTest >> testAcceptHeaderContentIsAnArray [
+
+	"Fixes a bug discovered when using the Consul HTTP Check method and configuring an Accept header on the check"
+
+	| request |
+
+	request := ZnRequest
+		readFrom:
+			( 'GET /example HTTP/1.1<1s><2s>User-Agent: Consul Agent<1s><2s>Accept: */*<1s><2s>Accept: application/json<1s><2s>'
+				expandMacrosWith: Character cr asString
+				with: Character lf asString ) readStream.
+
+	self
+		assert: ( ( RESTfulControllerAcceptNegotiator basedOn: apiMediaTypes ) bestRepresentationFor: request )
+		equals: 'application/vnd.stargate.pet+json;version=2.0.0' asMediaType
+]
+
 { #category : #tests }
 RESTfulControllerAcceptNegotiatorTest >> testAcceptingAnything [
 
diff --git a/source/Stargate-Model/RESTfulControllerAcceptNegotiator.class.st b/source/Stargate-Model/RESTfulControllerAcceptNegotiator.class.st
index 90f4a32..0439d46 100644
--- a/source/Stargate-Model/RESTfulControllerAcceptNegotiator.class.st
+++ b/source/Stargate-Model/RESTfulControllerAcceptNegotiator.class.st
@@ -26,7 +26,12 @@ RESTfulControllerAcceptNegotiator >> acceptableMediaTypesIn: anHttpRequest [
 		on: KeyNotFound
 		do: [ :signal | signal return: '*/*' ].
 
-	^ ( acceptHeaderContent splitOn: ',' ) collect: [ :type | type asMediaType ]
+	^ acceptHeaderContent isArray
+		then: [ acceptHeaderContent
+				flatCollect: [ :acceptList | self splitMediaTypesIn: acceptList ]
+				as: OrderedCollection
+			]
+		otherwise: [ self splitMediaTypesIn: acceptHeaderContent ]
 ]
 
 { #category : #querying }
@@ -80,6 +85,12 @@ RESTfulControllerAcceptNegotiator >> sortByPrecedence: mediaTypes [
 	^ mediaTypes sorted: [ :mediaType | self precedenceFor: mediaType ] descending
 ]
 
+{ #category : #'private - accessing' }
+RESTfulControllerAcceptNegotiator >> splitMediaTypesIn: acceptList [
+
+	^ ( acceptList splitOn: ',' ) collect: [ :type | type asMediaType ]
+]
+
 { #category : #'private - accessing' }
 RESTfulControllerAcceptNegotiator >> versionIn: acceptable canBeHandledBy: available [