diff --git a/src/parser/jsonParser.ts b/src/parser/jsonParser.ts
index 14fd3876..fbe252ef 100644
--- a/src/parser/jsonParser.ts
+++ b/src/parser/jsonParser.ts
@@ -1095,7 +1095,7 @@ function validate(n: ASTNode | undefined, schema: JSONSchema, validationResult:
 			for (const f of node.properties) {
 				const key = f.keyNode;
 				if (key) {
-					validate(key, propertyNames, validationResult, NoOpSchemaCollector.instance, context);
+					validate(key, propertyNames, validationResult, matchingSchemas, context);
 				}
 			}
 		}
diff --git a/src/test/schema.test.ts b/src/test/schema.test.ts
index e34950c4..de4a001e 100644
--- a/src/test/schema.test.ts
+++ b/src/test/schema.test.ts
@@ -1790,6 +1790,10 @@ suite('JSON Schema', () => {
 				baz: {
 					type: 'boolean',
 					$comment: 'baz',
+				},
+				key: {
+					type: 'string',
+					$comment: 'key',
 				}
 			},
 			properties: {
@@ -1806,6 +1810,9 @@ suite('JSON Schema', () => {
 						}
 					}
 				}
+			},
+			propertyNames: {
+				$ref: "#/definitions/key"
 			}
 		};
 
@@ -1824,6 +1831,7 @@ suite('JSON Schema', () => {
 			assert.fail("No node at offset " + nodeOffset);
 		}
 		assertMatchingSchema(ms, 0, 'schema');
+		assertMatchingSchema(ms, 1, 'key');
 		assertMatchingSchema(ms, 7, 'foo');
 		assertMatchingSchema(ms, 14, 'bar');
 		assertMatchingSchema(ms, 22, 'baz');