diff --git a/src/main/java/com/networknt/schema/ValidationContext.java b/src/main/java/com/networknt/schema/ValidationContext.java
index f4d6e12f..d35b29b9 100644
--- a/src/main/java/com/networknt/schema/ValidationContext.java
+++ b/src/main/java/com/networknt/schema/ValidationContext.java
@@ -107,7 +107,6 @@ public JsonMetaSchema getMetaSchema() {
     }
 
     public Optional<VersionFlag> activeDialect() {
-        String metaSchema = getMetaSchema().getIri();
-        return SpecVersionDetector.detectOptionalVersion(metaSchema);
+        return Optional.of(this.metaSchema.getSpecification());
     }
 }
diff --git a/src/test/java/com/networknt/schema/VocabularyTest.java b/src/test/java/com/networknt/schema/VocabularyTest.java
index 84a9b4ff..3c42ad05 100644
--- a/src/test/java/com/networknt/schema/VocabularyTest.java
+++ b/src/test/java/com/networknt/schema/VocabularyTest.java
@@ -82,6 +82,7 @@ void noValidation() {
         messages = schema.validate(inputDataNoValidation, InputFormat.JSON);
         assertEquals(1, messages.size());
         assertEquals("minimum", messages.iterator().next().getType());
+        assertEquals(VersionFlag.V202012, schema.getValidationContext().activeDialect().get());
     }
 
     @Test