diff --git a/CMakeLists.txt b/CMakeLists.txt
index 377bdb94..1e1673ea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -195,6 +195,7 @@ if (WITH_HTTPD)
         message(FATAL_ERROR "microhttpd NOT found: use `-DWITH_HTTPD=OFF` to build without http deamon support")
     endif()
 else()
+    set(MHD_LIBRARY "")
     add_definitions(/DXMRIG_NO_HTTPD)
     add_definitions(/DXMRIG_NO_API)
 endif()