diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index 36c112c64..5df6a8784 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -974,6 +974,7 @@ ELSE()
       ADD_DEFINITIONS(-DZLIB_DLL)
     ENDIF()
     MESSAGE(STATUS "compiling zlib from sources")
+    configure_file(../contrib/zlib/zconf.h.cmakein ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
     SET( zlib_SRCS
       ../contrib/zlib/crc32.h
       ../contrib/zlib/deflate.h