diff --git a/acceptance.bats b/acceptance.bats
index 2a6d94c..ca49c6f 100755
--- a/acceptance.bats
+++ b/acceptance.bats
@@ -340,3 +340,8 @@ resetCacheFolder() {
   run xmllint --noout --schema fixtures/junit.xsd output.xml
   [ "$status" -eq 0 ]
 }
+
+@test "passes when trying to use a CRD that does not have the JSONSchema set" {
+  run bash -c "bin/kubeconform -schema-location default -schema-location 'https://raw.githubusercontent.com/datreeio/CRDs-catalog/main/{{.Group}}/{{.ResourceKind}}_{{.ResourceAPIVersion}}.json' fixtures/httpproxy.yaml"
+  [ "$status" -eq 0 ]
+}
diff --git a/fixtures/httpproxy.yaml b/fixtures/httpproxy.yaml
new file mode 100644
index 0000000..7b0bd31
--- /dev/null
+++ b/fixtures/httpproxy.yaml
@@ -0,0 +1,13 @@
+apiVersion: projectcontour.io/v1
+kind: HTTPProxy
+metadata:
+  name: basic
+spec:
+  virtualhost:
+    fqdn: foo-basic.example.com
+  routes:
+    - conditions:
+        - prefix: /
+      services:
+        - name: s1
+          port: 80
diff --git a/pkg/validator/validator.go b/pkg/validator/validator.go
index f4827c8..b9f7c8d 100644
--- a/pkg/validator/validator.go
+++ b/pkg/validator/validator.go
@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"strings"
 
 	jsonschema "github.com/santhosh-tekuri/jsonschema/v5"
 	_ "github.com/santhosh-tekuri/jsonschema/v5/httploader"
@@ -254,7 +255,12 @@ func downloadSchema(registries []registry.Registry, kind, version, k8sVersion st
 	for _, reg := range registries {
 		path, schemaBytes, err = reg.DownloadSchema(kind, version, k8sVersion)
 		if err == nil {
-			schema, err := jsonschema.CompileString(path, string(schemaBytes))
+			c := jsonschema.NewCompiler()
+			c.Draft = jsonschema.Draft4
+			if err := c.AddResource(path, strings.NewReader(string(schemaBytes))); err != nil {
+				continue
+			}
+			schema, err := c.Compile(path)
 			// If we got a non-parseable response, we try the next registry
 			if err != nil {
 				continue