diff --git a/AmalgamationTool/DynamORM.Amalgamation.cs b/AmalgamationTool/DynamORM.Amalgamation.cs
index 4811c80..d6ec2b2 100644
--- a/AmalgamationTool/DynamORM.Amalgamation.cs
+++ b/AmalgamationTool/DynamORM.Amalgamation.cs
@@ -5123,7 +5123,7 @@ namespace DynamORM
             if (mapper == null)
                 throw new InvalidOperationException("Type can't be mapped for unknown reason.");
 
-            mapper.Map(item, source);
+            mapper.Map(source, item);
 
             return item;
         }
@@ -5140,7 +5140,7 @@ namespace DynamORM
             if (mapper == null)
                 throw new InvalidOperationException("Type can't be mapped for unknown reason.");
 
-            mapper.MapByProperty(item, source);
+            mapper.MapByProperty(source, item);
 
             return item;
         }
diff --git a/DynamORM/DynamORM.csproj b/DynamORM/DynamORM.csproj
index 0dab2e2..abb7f30 100644
--- a/DynamORM/DynamORM.csproj
+++ b/DynamORM/DynamORM.csproj
@@ -6,7 +6,7 @@
 		<Copyright>Copyright © RUSSEK Software 2012-2022</Copyright>
 		<Company>RUSSEK Software</Company>
 		<Authors>Grzegorz Russek</Authors>
-		<VersionPrefix>1.2.2</VersionPrefix>
+		<VersionPrefix>1.2.3</VersionPrefix>
 		<RepositoryUrl>https://svn.dr4cul4.pl/svn/DynamORM/</RepositoryUrl>
 		<PackageProjectUrl>https://dr4cul4.pl</PackageProjectUrl>
 		<Product>DynamORM</Product>
diff --git a/DynamORM/DynamicExtensions.cs b/DynamORM/DynamicExtensions.cs
index 5a41aa7..ed7762b 100644
--- a/DynamORM/DynamicExtensions.cs
+++ b/DynamORM/DynamicExtensions.cs
@@ -1554,7 +1554,7 @@ namespace DynamORM
             if (mapper == null)
                 throw new InvalidOperationException("Type can't be mapped for unknown reason.");
 
-            mapper.Map(item, source);
+            mapper.Map(source, item);
 
             return item;
         }
@@ -1571,7 +1571,7 @@ namespace DynamORM
             if (mapper == null)
                 throw new InvalidOperationException("Type can't be mapped for unknown reason.");
 
-            mapper.MapByProperty(item, source);
+            mapper.MapByProperty(source, item);
 
             return item;
         }