diff --git a/cmake/platforms/windows.cmake b/cmake/platforms/windows.cmake
index b93d160e..9e21fbba 100644
--- a/cmake/platforms/windows.cmake
+++ b/cmake/platforms/windows.cmake
@@ -6,10 +6,12 @@ endif()
 
 list(APPEND SYSTEM_PLATFORM_SOURCES
     ${SOURCE_DIR}/sys/sys_win32.c
-    ${SOURCE_DIR}/sys/con_passive.c
     ${SOURCE_DIR}/sys/win_resource.rc
 )
 
+list(APPEND CLIENT_PLATFORM_SOURCES ${SOURCE_DIR}/sys/con_passive.c)
+list(APPEND SERVER_PLATFORM_SOURCES ${SOURCE_DIR}/sys/con_win32.c)
+
 if(USE_HTTP)
     list(APPEND CLIENT_PLATFORM_SOURCES ${SOURCE_DIR}/client/cl_http_windows.c)
     list(APPEND CLIENT_LIBRARIES wininet)
diff --git a/cmake/server.cmake b/cmake/server.cmake
index acf69ce7..00b9c3cc 100644
--- a/cmake/server.cmake
+++ b/cmake/server.cmake
@@ -32,6 +32,7 @@ list(APPEND SERVER_BINARY_SOURCES
     ${BOTLIB_SOURCES}
     ${SYSTEM_SOURCES}
     ${ASM_SOURCES}
+    ${SERVER_PLATFORM_SOURCES}
     ${SERVER_LIBRARY_SOURCES})
 
 add_executable(${SERVER_BINARY} ${SERVER_EXECUTABLE_OPTIONS} ${SERVER_BINARY_SOURCES})