Index: base/applications/calc/CMakeLists.txt
===================================================================
--- base/applications/calc/CMakeLists.txt	(revision 71090)
+++ base/applications/calc/CMakeLists.txt	(working copy)
@@ -14,7 +14,7 @@
 add_rc_deps(resource.rc ${calc_rc_deps})
 add_executable(calc ${SOURCE} resource.rc)
 set_module_type(calc win32gui UNICODE)
-add_importlibs(calc advapi32 user32 gdi32 msvcrt kernel32)
+add_importlibs(calc advapi32 user32 gdi32 msvcrt kernel32 comctl32)
 
 if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
     target_link_libraries(calc mingwex)
Index: base/applications/calc/winmain.c
===================================================================
--- base/applications/calc/winmain.c	(revision 71090)
+++ base/applications/calc/winmain.c	(working copy)
@@ -3,6 +3,7 @@
 #include <winbase.h>
 #include <wingdi.h>
 #include <winreg.h>
+#include <commctrl.h>
 
 #define HTMLHELP_PATH(_pt)  TEXT("%systemroot%\\Help\\calc.chm::") TEXT(_pt)
 
@@ -1768,6 +1769,8 @@
     MSG msg;
     DWORD dwLayout;
 
+    InitCommonControls();
+
     calc.hInstance = hInstance;
 
     calc.x_coord = -1;