diff --git a/win/CMakeLists.txt b/win/CMakeLists.txt
index 1fa02c7..c034f6f 100644
--- a/win/CMakeLists.txt
+++ b/win/CMakeLists.txt
@@ -2,7 +2,7 @@
 
 include_directories(${CMAKE_SOURCE_DIR}/common ${CMAKE_SOURCE_DIR}/win)
 
-configure_file(resdefs.h.in ${CMAKE_CURRENT_BINARY_DIR}/resdefs.h)
+configure_file(resdefs.h.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/resdefs.h)
 
 add_subdirectory(rfb_win32)
 add_subdirectory(vncviewer)
diff --git a/win/resdefs.h.cmake.in b/win/resdefs.h.cmake.in
new file mode 100644
index 0000000..b61db53
--- /dev/null
+++ b/win/resdefs.h.cmake.in
@@ -0,0 +1,4 @@
+#define __VERSIONSTR "@VERSION@\0"
+#define __RCVERSION @RCVERSION@
+#define __RCVERSIONSTR "@RCVERSION@\0"
+#cmakedefine WIN64