diff --git a/Generator/Argument.cs b/Generator/Argument.cs
index db672d3..8a42e02 100644
--- a/Generator/Argument.cs
+++ b/Generator/Argument.cs
@@ -205,9 +205,9 @@ internal string InteropVariable( bool AsRawValues )
             return $"{Name}{value}";
         }
 
-        internal string InteropParameter( bool LargePack, bool includeMarshalling = false )
+        internal string InteropParameter( bool NoPacking, bool LargePack, bool includeMarshalling )
         {
-            var ps = LargePack ? "" : ".PackSmall";
+            var ps = NoPacking ? "" : (LargePack ? ".Pack8" : ".Pack4");
             var marshalling = "";
             if ( !NativeType.Contains( "_t" ) )
                 ps = string.Empty;
diff --git a/Generator/CodeWriter/Class.cs b/Generator/CodeWriter/Class.cs
index 356be54..ce9908f 100644
--- a/Generator/CodeWriter/Class.cs
+++ b/Generator/CodeWriter/Class.cs
@@ -281,7 +281,7 @@ private void Detect_IntPtrArgs( List<Argument> argList, List<Argument> callargs
         {
             foreach ( var a in callargs )
             {
-                if ( !a.InteropParameter( false ).StartsWith( "IntPtr" ) )
+                if ( !a.InteropParameter( false, false, false ).StartsWith( "IntPtr" ) )
                 {
                     continue;
                 }
diff --git a/Generator/CodeWriter/Interface.cs b/Generator/CodeWriter/Interface.cs
index f7d7d36..d100639 100644
--- a/Generator/CodeWriter/Interface.cs
+++ b/Generator/CodeWriter/Interface.cs
@@ -51,7 +51,7 @@ private void PlatformInterfaceMethod( SteamApiDefinition.MethodDef m )
             if ( m.ClassName == "SteamApi" )
                 flatName = methodName;
 
-            var argstring = string.Join( ", ", arguments.Select( x => x.InteropParameter( true, true ) ) );
+            var argstring = string.Join( ", ", arguments.Select( x => x.InteropParameter( true, true, true ) ) );
             if ( argstring != "" ) argstring = $" {argstring} ";
 
             WriteLine( $"{ret.Return()} {m.ClassName}_{methodName}({argstring});" );
diff --git a/Generator/CodeWriter/PlatformClass.cs b/Generator/CodeWriter/PlatformClass.cs
index 3452be9..dac9acb 100644
--- a/Generator/CodeWriter/PlatformClass.cs
+++ b/Generator/CodeWriter/PlatformClass.cs
@@ -89,7 +89,7 @@ private void PlatformClassMethod( string classname, SteamApiDefinition.MethodDef
             if ( classname == "SteamApi" )
                 flatName = methodName;
 
-            var argstring = string.Join( ", ", arguments.Select( x => x.InteropParameter( true, true ) ) );
+            var argstring = string.Join( ", ", arguments.Select( x => x.InteropParameter( true, true, true ) ) );
             if ( argstring != "" ) argstring = $" {argstring} ";
 
             StartBlock( $"public virtual {ret.Return()} {classname}_{methodName}({argstring})" );
@@ -113,16 +113,25 @@ private void PlatformClassMethod( string classname, SteamApiDefinition.MethodDef
 
                 foreach ( var a in arguments )
                 {
-                    if ( a.InteropParameter( LargePack ).Contains( ".PackSmall" ) )
+                    if ( a.InteropParameter( false, LargePack, false ).Contains( ".Pack4" ) )
                     {
-                        WriteLine( $"var {a.Name}_ps = new {a.ManagedType.Trim( '*' )}.PackSmall();" );
+                        WriteLine( $"var {a.Name}_ps = new {a.ManagedType.Trim( '*' )}.Pack4();" );
                         AfterLines.Add( $"{a.Name} = {a.Name}_ps;" );
                         a.Name = "ref " + a.Name + "_ps";
 
                         if ( retcode != "" )
                             retcode = "var ret = ";
                     }
-                }
+					else if ( a.InteropParameter( false, LargePack, false ).Contains( ".Pack8" ) )
+					{
+						WriteLine( $"var {a.Name}_ps = new {a.ManagedType.Trim( '*' )}.Pack8();" );
+						AfterLines.Add( $"{a.Name} = {a.Name}_ps;" );
+						a.Name = "ref " + a.Name + "_ps";
+
+						if ( retcode != "" )
+							retcode = "var ret = ";
+					}
+				}
 
                 argstring = string.Join( ", ", arguments.Select( x => x.InteropVariable( false ) ) );
 
@@ -178,7 +187,7 @@ private void InteropClassMethod( string library, string classname, SteamApiDefin
             if ( classname == "SteamApi" )
                 flatName = methodName;
 
-            var argstring = string.Join( ", ", arguments.Select( x => x.InteropParameter( LargePack, true ) ) );
+            var argstring = string.Join( ", ", arguments.Select( x => x.InteropParameter( false, LargePack, true ) ) );
 
             if ( methodDef.NeedsSelfPointer )
             {