diff --git a/src/AutoMapper/Configuration/ConfigurationValidator.cs b/src/AutoMapper/Configuration/ConfigurationValidator.cs
index 2f1148037e..6b4c616bce 100644
--- a/src/AutoMapper/Configuration/ConfigurationValidator.cs
+++ b/src/AutoMapper/Configuration/ConfigurationValidator.cs
@@ -94,7 +94,7 @@ private void DryRunTypeMap(ICollection<TypeMap> typeMapsChecked, TypePair types,
         {
             if(typeMap == null)
             {
-                if (types.SourceType.ContainsGenericParameters || types.DestinationType.ContainsGenericParameters)
+                if (types.ContainsGenericParameters)
                 {
                     return;
                 }