diff --git a/src/Windows/Avalonia.Win32/DComposition/dcomp.idl b/src/Windows/Avalonia.Win32/DComposition/dcomp.idl
index ebc0fba608..173239c4c0 100644
--- a/src/Windows/Avalonia.Win32/DComposition/dcomp.idl
+++ b/src/Windows/Avalonia.Win32/DComposition/dcomp.idl
@@ -21,7 +21,7 @@
 @clr-map INT16 short
 @clr-map INT32 int
 @clr-map INT64 long
-@clr-map UINT ushort
+@clr-map UINT uint
 @clr-map UINT16 ushort
 @clr-map ULONG uint
 @clr-map UINT32 uint
diff --git a/src/Windows/Avalonia.Win32/Win32Com/win32.idl b/src/Windows/Avalonia.Win32/Win32Com/win32.idl
index 34dc746133..a0abefe1b6 100644
--- a/src/Windows/Avalonia.Win32/Win32Com/win32.idl
+++ b/src/Windows/Avalonia.Win32/Win32Com/win32.idl
@@ -17,7 +17,7 @@
 @clr-map INT16 short
 @clr-map INT32 int
 @clr-map INT64 long
-@clr-map UINT ushort
+@clr-map UINT uint
 @clr-map UINT16 ushort
 @clr-map ULONG uint
 @clr-map UINT32 uint