diff --git a/inspector-vc/src/main/java/org/oneedtech/inspect/vc/OB20Inspector.java b/inspector-vc/src/main/java/org/oneedtech/inspect/vc/OB20Inspector.java
index 3421ffd..dad41ef 100644
--- a/inspector-vc/src/main/java/org/oneedtech/inspect/vc/OB20Inspector.java
+++ b/inspector-vc/src/main/java/org/oneedtech/inspect/vc/OB20Inspector.java
@@ -21,6 +21,7 @@ import org.oneedtech.inspect.util.json.ObjectMapperCache;
 import org.oneedtech.inspect.util.resource.Resource;
 import org.oneedtech.inspect.util.resource.ResourceType;
 import org.oneedtech.inspect.util.spec.Specification;
+import org.oneedtech.inspect.vc.Assertion.Type;
 import org.oneedtech.inspect.vc.Credential.CredentialEnum;
 import org.oneedtech.inspect.vc.jsonld.JsonLdGeneratedObject;
 import org.oneedtech.inspect.vc.jsonld.probe.GraphFetcherProbe;
@@ -151,18 +152,20 @@ public class OB20Inspector extends Inspector {
 			}
 
 			// verification and revocation
-			for(Probe<JsonLdGeneratedObject> probe : List.of(new VerificationDependenciesProbe(assertion.getId()),
-				new AssertionRevocationListProbe(assertion.getId()))) {
-				probeCount++;
-				accumulator.add(probe.run(jsonLdGeneratedObject, ctx));
-				if(broken(accumulator)) return abort(ctx, accumulator, probeCount);
-			}
+			if (assertion.getCredentialType() == Type.Assertion) {
+				for(Probe<JsonLdGeneratedObject> probe : List.of(new VerificationDependenciesProbe(assertion.getId()),
+					new AssertionRevocationListProbe(assertion.getId()))) {
+					probeCount++;
+					accumulator.add(probe.run(jsonLdGeneratedObject, ctx));
+					if(broken(accumulator)) return abort(ctx, accumulator, probeCount);
+				}
 
-			// JWS verification
-			if (assertion.getJwt().isPresent()) {
-				probeCount++;
-				accumulator.add(new VerificationJWTProbe(assertion.getJwt().get()).run(jsonLdGeneratedObject, ctx));
-				if(broken(accumulator)) return abort(ctx, accumulator, probeCount);
+				// JWS verification
+				if (assertion.getJwt().isPresent()) {
+					probeCount++;
+					accumulator.add(new VerificationJWTProbe(assertion.getJwt().get()).run(jsonLdGeneratedObject, ctx));
+					if(broken(accumulator)) return abort(ctx, accumulator, probeCount);
+				}
 			}
 
 
diff --git a/inspector-vc/src/test/java/org/oneedtech/inspect/vc/OB20Tests.java b/inspector-vc/src/test/java/org/oneedtech/inspect/vc/OB20Tests.java
index 1e13614..f4348f7 100644
--- a/inspector-vc/src/test/java/org/oneedtech/inspect/vc/OB20Tests.java
+++ b/inspector-vc/src/test/java/org/oneedtech/inspect/vc/OB20Tests.java
@@ -98,6 +98,16 @@ public class OB20Tests {
 		});
 	}
 
+	@Test
+	void testLanguageInBadgeClass() {
+		assertDoesNotThrow(()->{
+			Report report = validator.run(Samples.OB20.JSON.SIMPLE_LANGUAGE_BADGECLASS.asFileResource());
+			if(verbose) PrintHelper.print(report, true);
+			assertValid(report);
+			// check than
+		});
+	}
+
 	@Nested
 	static class WarningTests {
 		@BeforeAll
diff --git a/inspector-vc/src/test/java/org/oneedtech/inspect/vc/Samples.java b/inspector-vc/src/test/java/org/oneedtech/inspect/vc/Samples.java
index 6de1cba..daabbaa 100644
--- a/inspector-vc/src/test/java/org/oneedtech/inspect/vc/Samples.java
+++ b/inspector-vc/src/test/java/org/oneedtech/inspect/vc/Samples.java
@@ -53,6 +53,8 @@ public class Samples {
 			public final static Sample WARNING_ISSUER_NON_HTTPS_JSON = new Sample("ob20/warning-issuer-non-http.json", true);
 			// original: test_validation: test_can_input_badgeclass
 			public final static Sample SIMPLE_BADGECLASS = new Sample("ob20/assets/badgeclass1.json", true);
+			// original: validate_language: validate_language_prop_basic
+			public final static Sample SIMPLE_LANGUAGE_BADGECLASS = new Sample("ob20/badge-class-with-language.json", true);
 		}
 
 		public static final class PNG {
diff --git a/inspector-vc/src/test/resources/ob20/badge-class-with-language.json b/inspector-vc/src/test/resources/ob20/badge-class-with-language.json
new file mode 100644
index 0000000..36b8e2e
--- /dev/null
+++ b/inspector-vc/src/test/resources/ob20/badge-class-with-language.json
@@ -0,0 +1,10 @@
+{
+	"@context": "https://w3id.org/openbadges/v2",
+	"id": "http://example.org/badgeclass",
+	"@language": "en-US",
+    "name": "Example Badge",
+    "description": "An example",
+    "criteria": "http://example.com/badgecriteria.json",
+	"issuer": "http://example.org/issuer1.json",
+	"type": "BadgeClass"
+}
\ No newline at end of file