diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 26471f93..ae72cda7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,10 +3,12 @@ include_directories(${GLFW_SOURCE_DIR}/src
                     ${GLFW_BINARY_DIR}/src
                     ${glfw_INCLUDE_DIRS})
 
+set(common_HEADERS ${GLFW_SOURCE_DIR}/include/GL/glfw3.h internal.h)
 set(common_SOURCES error.c fullscreen.c gamma.c init.c input.c
                    joystick.c opengl.c time.c window.c)
 
 if (_GLFW_COCOA_NSGL)
+    set(glfw_HEADERS ${common_HEADERS} cocoa_platform.h)
     set(glfw_SOURCES ${common_SOURCES} cocoa_fullscreen.m cocoa_gamma.c
                      cocoa_init.m cocoa_input.m cocoa_joystick.m
                      cocoa_opengl.m cocoa_time.c cocoa_window.m)
@@ -14,18 +16,20 @@ if (_GLFW_COCOA_NSGL)
     # For some reason, CMake doesn't know about .m
     set_source_files_properties(${glfw_SOURCES} PROPERTIES LANGUAGE C)
 elseif (_GLFW_WIN32_WGL)
+    set(glfw_HEADERS ${common_HEADERS} win32_platform.h)
     set(glfw_SOURCES ${common_SOURCES} win32_fullscreen.c win32_gamma.c
                      win32_init.c win32_input.c win32_joystick.c
                      win32_opengl.c win32_time.c win32_window.c
                      win32_dllmain.c)
 elseif (_GLFW_X11_GLX)
+    set(glfw_HEADERS ${common_HEADERS} x11_platform.h)
     set(glfw_SOURCES ${common_SOURCES} x11_fullscreen.c x11_gamma.c
                      x11_init.c x11_input.c x11_joystick.c
                      x11_keysym2unicode.c x11_opengl.c x11_time.c
                      x11_window.c)
 endif()
 
-add_library(glfw ${glfw_SOURCES})
+add_library(glfw ${glfw_SOURCES} ${glfw_HEADERS})
 
 if (BUILD_SHARED_LIBS)