diff --git a/lib/config/configitem.cpp b/lib/config/configitem.cpp
index d3af15d3d..a6c959e58 100644
--- a/lib/config/configitem.cpp
+++ b/lib/config/configitem.cpp
@@ -144,7 +144,12 @@ class DefaultValidationUtils : public ValidationUtils
 public:
 	virtual bool ValidateName(const String& type, const String& name) const override
 	{
-		return ConfigItem::GetByTypeAndName(type, name) != ConfigItem::Ptr();
+		ConfigItem::Ptr item = ConfigItem::GetByTypeAndName(type, name);
+
+		if (!item || (item && item->IsAbstract()))
+			return false;
+
+		return true;
 	}
 };