diff --git a/tests/fixtures/testModel.ts b/tests/fixtures/testModel.ts
index 30e09173f..a1f79f431 100644
--- a/tests/fixtures/testModel.ts
+++ b/tests/fixtures/testModel.ts
@@ -438,6 +438,8 @@ export class TestClassModel extends TestClassBaseModel {
 
 export interface GenericModel<T> {
   result: T;
+  union?: T | string;
+  nested?: GenericRequest<T>;
 }
 
 export interface GenericRequest<T> {
diff --git a/tests/unit/swagger/definitionsGeneration/definitions.spec.ts b/tests/unit/swagger/definitionsGeneration/definitions.spec.ts
index 9087e3685..ea87a8a91 100644
--- a/tests/unit/swagger/definitionsGeneration/definitions.spec.ts
+++ b/tests/unit/swagger/definitionsGeneration/definitions.spec.ts
@@ -750,6 +750,17 @@ describe('Definition generation', () => {
           }
           expect((property.items as Swagger.Schema).type).to.equal('string');
         });
+        it('should propagate generics', () => {
+          const definition = getValidatedDefinition('GenericModelTestModelArray', currentSpec).properties;
+
+          expect(definition!.result).to.deep.equal({ items: { $ref: '#/definitions/TestModel' }, type: 'array', description: undefined, format: undefined, default: undefined });
+          expect(definition!.union).to.deep.equal({ type: 'object', description: undefined, format: undefined, default: undefined, 'x-nullable': true });
+          expect(definition!.nested).to.deep.equal({ $ref: '#/definitions/GenericRequestTestModelArray', description: undefined, format: undefined, 'x-nullable': true });
+
+          const ref = getValidatedDefinition('GenericRequestTestModelArray', currentSpec).properties;
+          expect(ref!.name).to.deep.equal({ type: 'string', description: undefined, format: undefined, default: undefined });
+          expect(ref!.value).to.deep.equal({ items: { $ref: '#/definitions/TestModel' }, type: 'array', description: undefined, format: undefined, default: undefined });
+        });
       });
     });
   });