diff --git a/.github/workflows/build-win64.yml b/.github/workflows/build-win64.yml
index 0c18bf6..dd4e8d7 100644
--- a/.github/workflows/build-win64.yml
+++ b/.github/workflows/build-win64.yml
@@ -40,7 +40,7 @@ jobs:
        set "INCLUDE=%INCLUDE%;c:/vcpkg/installed/x64-windows-static/include"
        echo "volatile char VerSion[]=^"3APA3A-3proxy-Internal-Build: 3proxy-%RELEASE%-%NOW%\r\nCode certificate: https://3proxy.org/3proxy.cer\r\n^";" >>src/3proxy.c
        echo %NOW% / %RELEASE% / %BUILDDATE% / %VERSION%
-       nmake /F Makefile.msvc BUILDDATE="/D BUILDDATE=^"%NOW%^"" VERSION="/D VERSION=^"3proxy-%RELEASE%^""
+       nmake /F Makefile.msvc "BUILDDATE=/D BUILDDATE=^"%NOW%^"" "VERSION=/D VERSION=^"3proxy-%RELEASE%^""
     - name: make dist dir
       shell: cmd
       run: |