diff --git a/modules/openapi-generator/src/main/resources/go/client.mustache b/modules/openapi-generator/src/main/resources/go/client.mustache
index f760f337113..8dcefae5f86 100644
--- a/modules/openapi-generator/src/main/resources/go/client.mustache
+++ b/modules/openapi-generator/src/main/resources/go/client.mustache
@@ -32,7 +32,7 @@ import (
 )
 
 var (
-	jsonCheck = regexp.MustCompile(`(?i:(?:application|text)/(?:vnd\.[^;]+\+)?json)`)
+	jsonCheck = regexp.MustCompile(`(?i:(?:application|text)/(?:vnd\.[^;]+\+)?(?:problem\+)?json)`)
 	xmlCheck  = regexp.MustCompile(`(?i:(?:application|text)/xml)`)
 )
 
diff --git a/samples/client/petstore/go/go-petstore-withXml/client.go b/samples/client/petstore/go/go-petstore-withXml/client.go
index 6fffa78f8ff..00f4296fa6f 100644
--- a/samples/client/petstore/go/go-petstore-withXml/client.go
+++ b/samples/client/petstore/go/go-petstore-withXml/client.go
@@ -37,7 +37,7 @@ import (
 )
 
 var (
-	jsonCheck = regexp.MustCompile(`(?i:(?:application|text)/(?:vnd\.[^;]+\+)?json)`)
+	jsonCheck = regexp.MustCompile(`(?i:(?:application|text)/(?:vnd\.[^;]+\+)?(?:problem\+)?json)`)
 	xmlCheck  = regexp.MustCompile(`(?i:(?:application|text)/xml)`)
 )
 
diff --git a/samples/client/petstore/go/go-petstore/client.go b/samples/client/petstore/go/go-petstore/client.go
index 19297c80fb8..769e38acab3 100644
--- a/samples/client/petstore/go/go-petstore/client.go
+++ b/samples/client/petstore/go/go-petstore/client.go
@@ -36,7 +36,7 @@ import (
 )
 
 var (
-	jsonCheck = regexp.MustCompile(`(?i:(?:application|text)/(?:vnd\.[^;]+\+)?json)`)
+	jsonCheck = regexp.MustCompile(`(?i:(?:application|text)/(?:vnd\.[^;]+\+)?(?:problem\+)?json)`)
 	xmlCheck  = regexp.MustCompile(`(?i:(?:application|text)/xml)`)
 )
 
diff --git a/samples/openapi3/client/petstore/go/go-petstore/client.go b/samples/openapi3/client/petstore/go/go-petstore/client.go
index c33a4967d82..838b6e9d0e0 100644
--- a/samples/openapi3/client/petstore/go/go-petstore/client.go
+++ b/samples/openapi3/client/petstore/go/go-petstore/client.go
@@ -36,7 +36,7 @@ import (
 )
 
 var (
-	jsonCheck = regexp.MustCompile(`(?i:(?:application|text)/(?:vnd\.[^;]+\+)?json)`)
+	jsonCheck = regexp.MustCompile(`(?i:(?:application|text)/(?:vnd\.[^;]+\+)?(?:problem\+)?json)`)
 	xmlCheck  = regexp.MustCompile(`(?i:(?:application|text)/xml)`)
 )