diff --git a/sfdx-source/apex-extensions/main/application/classic/classes/fflib_ClassicDomainFactory.cls b/sfdx-source/apex-extensions/main/application/classic/classes/fflib_ClassicDomainFactory.cls
index 10a7aad..87486bf 100644
--- a/sfdx-source/apex-extensions/main/application/classic/classes/fflib_ClassicDomainFactory.cls
+++ b/sfdx-source/apex-extensions/main/application/classic/classes/fflib_ClassicDomainFactory.cls
@@ -138,7 +138,7 @@ public virtual class fflib_ClassicDomainFactory
 	 *                    avoids the need to stub the mock to return its SObjectType
 	 * @param mockDomain The instance of the Domain mock
 	 */
-	public virtual void setMock(Schema.SObjectType sObjectType, fflib_ISObjectDomain mockDomain)
+	public virtual override void setMock(Schema.SObjectType sObjectType, fflib_ISObjectDomain mockDomain)
 	{
 		mockDomainByObject.put((Object) sObjectType, mockDomain);
 	}
diff --git a/sfdx-source/apex-extensions/main/application/classic/classes/fflib_ClassicSelectorFactory.cls b/sfdx-source/apex-extensions/main/application/classic/classes/fflib_ClassicSelectorFactory.cls
index 45ec345..d804232 100644
--- a/sfdx-source/apex-extensions/main/application/classic/classes/fflib_ClassicSelectorFactory.cls
+++ b/sfdx-source/apex-extensions/main/application/classic/classes/fflib_ClassicSelectorFactory.cls
@@ -90,7 +90,7 @@ public virtual class fflib_ClassicSelectorFactory
 	 *                    avoids the need to stub the mock to return its SObjectType
 	 * @param selectorInstance The instance of the mocked selector
 	 */
-	public virtual void setMock(SObjectType sObjectType, fflib_ISObjectSelector selectorInstance)
+	public virtual override void setMock(SObjectType sObjectType, fflib_ISObjectSelector selectorInstance)
 	{
 		this.m_sObjectByMockSelector.put(sObjectType, selectorInstance);
 	}