diff --git a/basis/cocoa/messages/messages.factor b/basis/cocoa/messages/messages.factor
index 7be649416c..ba7034d012 100755
--- a/basis/cocoa/messages/messages.factor
+++ b/basis/cocoa/messages/messages.factor
@@ -108,12 +108,12 @@ H{
     { "c" "char" }
     { "i" "int" }
     { "s" "short" }
-    { "l" "long" }
+    { "l" "int" }
     { "q" "longlong" }
     { "C" "uchar" }
     { "I" "uint" }
     { "S" "ushort" }
-    { "L" "ulong" }
+    { "L" "uint" }
     { "Q" "ulonglong" }
     { "f" "float" }
     { "d" "double" }
@@ -133,14 +133,14 @@ objc>alien-types get [ swap ] assoc-map
 "ptrdiff_t" heap-size {
     { 4 [ H{
         { "NSPoint" "{_NSPoint=ff}" }
-        { "NSRect" "{_NSRect=ffff}" }
+        { "NSRect" "{_NSRect={_NSPoint=ff}{_NSSize=ff}}" }
         { "NSSize" "{_NSSize=ff}" }
         { "NSRange" "{_NSRange=II}" }
     } ] }
     { 8 [ H{
-        { "NSPoint" "{_NSPoint=dd}" }
-        { "NSRect" "{_NSRect=dddd}" }
-        { "NSSize" "{_NSSize=dd}" }
+        { "NSPoint" "{CGPoint=dd}" }
+        { "NSRect" "{CGRect={CGPoint=dd}{CGSize=dd}}" }
+        { "NSSize" "{CGSize=dd}" }
         { "NSRange" "{_NSRange=QQ}" }
     } ] }
 } case
diff --git a/basis/cocoa/types/types.factor b/basis/cocoa/types/types.factor
index 6e65bc1a72..acc717a61c 100644
--- a/basis/cocoa/types/types.factor
+++ b/basis/cocoa/types/types.factor
@@ -10,25 +10,6 @@ TYPEDEF: ulong NSUInteger
     { 8 [ "double" ] }
 } case "CGFloat" typedef >>
 
-C-STRUCT: NSRect
-    { "CGFloat" "x" }
-    { "CGFloat" "y" }
-    { "CGFloat" "w" }
-    { "CGFloat" "h" } ;
-
-TYPEDEF: NSRect _NSRect
-TYPEDEF: NSRect CGRect
-
-: <NSRect> ( x y w h -- rect )
-    "NSRect" <c-object>
-    [ set-NSRect-h ] keep
-    [ set-NSRect-w ] keep
-    [ set-NSRect-y ] keep
-    [ set-NSRect-x ] keep ;
-
-: NSRect-x-y ( alien -- origin-x origin-y )
-    [ NSRect-x ] keep NSRect-y ;
-
 C-STRUCT: NSPoint
     { "CGFloat" "x" }
     { "CGFloat" "y" } ;
@@ -53,6 +34,41 @@ TYPEDEF: NSPoint CGPoint
     [ set-NSSize-h ] keep
     [ set-NSSize-w ] keep ;
 
+C-STRUCT: NSRect
+    { "NSPoint" "origin" }
+    { "NSSize"  "size"   } ;
+
+TYPEDEF: NSRect _NSRect
+TYPEDEF: NSRect CGRect
+
+: NSRect-x ( NSRect -- x )
+    NSRect-origin NSPoint-x ; inline
+: NSRect-y ( NSRect -- y )
+    NSRect-origin NSPoint-y ; inline
+: NSRect-w ( NSRect -- w )
+    NSRect-size NSSize-w ; inline
+: NSRect-h ( NSRect -- h )
+    NSRect-size NSSize-h ; inline
+
+: set-NSRect-x ( x NSRect -- )
+    NSRect-origin set-NSPoint-x ; inline
+: set-NSRect-y ( y NSRect -- )
+    NSRect-origin set-NSPoint-y ; inline
+: set-NSRect-w ( w NSRect -- )
+    NSRect-size set-NSSize-w ; inline
+: set-NSRect-h ( h NSRect -- )
+    NSRect-size set-NSSize-h ; inline
+
+: <NSRect> ( x y w h -- rect )
+    "NSRect" <c-object>
+    [ set-NSRect-h ] keep
+    [ set-NSRect-w ] keep
+    [ set-NSRect-y ] keep
+    [ set-NSRect-x ] keep ;
+
+: NSRect-x-y ( alien -- origin-x origin-y )
+    [ NSRect-x ] keep NSRect-y ;
+
 C-STRUCT: NSRange
     { "NSUInteger" "location" }
     { "NSUInteger" "length" } ;
diff --git a/basis/ui/cocoa/views/views.factor b/basis/ui/cocoa/views/views.factor
index 45ab8ac0ce..772770133d 100755
--- a/basis/ui/cocoa/views/views.factor
+++ b/basis/ui/cocoa/views/views.factor
@@ -128,8 +128,8 @@ CLASS: {
 }
 
 ! Rendering
-{ "drawRect:" "void" { "id" "SEL" "id" "NSRect" }
-    [ 3drop window relayout-1 ]
+{ "drawRect:" "void" { "id" "SEL" "NSRect" }
+    [ 2drop window relayout-1 ]
 }
 
 ! Events