diff --git a/src/FluentNHibernate/Visitors/ManyToManyTableNameVisitor.cs b/src/FluentNHibernate/Visitors/ManyToManyTableNameVisitor.cs
index a7dac1a7a..ed9e75e89 100644
--- a/src/FluentNHibernate/Visitors/ManyToManyTableNameVisitor.cs
+++ b/src/FluentNHibernate/Visitors/ManyToManyTableNameVisitor.cs
@@ -13,7 +13,7 @@ public override void ProcessCollection(CollectionMapping mapping)
             if (mapping.OtherSide == null)
             {
                 // uni-directional
-                mapping.Set(x => x.TableName, Layer.Defaults, mapping.ChildType.Name + "To" + mapping.ContainingEntityType.Name);
+                mapping.Set(x => x.TableName, Layer.Defaults, mapping.TableName ?? mapping.ChildType.Name + "To" + mapping.ContainingEntityType.Name);
             }
             else
             {
@@ -25,4 +25,4 @@ public override void ProcessCollection(CollectionMapping mapping)
             }
         }
     }
-}
\ No newline at end of file
+}