diff --git a/uppsrc/CtrlCore/CtrlCore.upp b/uppsrc/CtrlCore/CtrlCore.upp
index 8ecb2a825..b6a74492f 100644
--- a/uppsrc/CtrlCore/CtrlCore.upp
+++ b/uppsrc/CtrlCore/CtrlCore.upp
@@ -6,7 +6,7 @@ uses
 	RichText,
 	Painter;
 
-library(WIN32) "advapi32 comdlg32 comctl32 Imm32 user32 gdi32";
+library(WIN32) "advapi32 comdlg32 comctl32 imm32 user32 gdi32";
 
 pkg_config(POSIX !OSX !VIRTUALGUI) "freetype2 x11 xinerama xrender xft xdmcp fontconfig xcb xext";
 
diff --git a/uppsrc/CtrlCore/Win32Proc.cpp b/uppsrc/CtrlCore/Win32Proc.cpp
index 1079ada78..ea09c91f9 100644
--- a/uppsrc/CtrlCore/Win32Proc.cpp
+++ b/uppsrc/CtrlCore/Win32Proc.cpp
@@ -4,7 +4,7 @@
 
 #include <winnls.h>
 
-//#include "imm.h"
+#include <imm.h>
 
 namespace Upp {
 
diff --git a/uppsrc/CtrlCore/Win32Wnd.cpp b/uppsrc/CtrlCore/Win32Wnd.cpp
index 8a0887095..3bd72d2b7 100644
--- a/uppsrc/CtrlCore/Win32Wnd.cpp
+++ b/uppsrc/CtrlCore/Win32Wnd.cpp
@@ -2,6 +2,8 @@
 
 #ifdef GUI_WIN
 
+#include <imm.h>
+
 namespace Upp {
 
 #define LLOG(x)    //   DLOG(x)