diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3263f34..fc72cc5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -277,7 +277,7 @@ TEST_BIG_ENDIAN(LIBVNCSERVER_WORDS_BIGENDIAN)
 # LIBVNCSERVER_ENOENT_WORKAROUND
 # inline
 
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/rfb/rfbconfig.h.cmake ${CMAKE_BINARY_DIR}/rfb/rfbconfig.h)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/rfb/rfbconfig.h.cmakein ${CMAKE_BINARY_DIR}/rfb/rfbconfig.h)
 
 set(LIBVNCSERVER_SOURCES
     ${LIBVNCSERVER_DIR}/main.c
diff --git a/rfb/rfbconfig.h.cmake b/rfb/rfbconfig.h.cmakein
similarity index 100%
rename from rfb/rfbconfig.h.cmake
rename to rfb/rfbconfig.h.cmakein