diff --git a/.github/workflows/ffmpeg.yml b/.github/workflows/ffmpeg.yml
index e68e970..da0ec9c 100644
--- a/.github/workflows/ffmpeg.yml
+++ b/.github/workflows/ffmpeg.yml
@@ -14,6 +14,7 @@ env:
   winConfig: Debug
   cFlags: -MDd
   switches: ""
+  NASM_EXECUTABLE: nasm
 
 jobs:
   liboggvorbis:
@@ -439,7 +440,6 @@ jobs:
       shell: cmd
       run: |
         call "${{ env.vsPath }}VC\Auxiliary\Build\vcvars64.bat"
-        set NASM_EXECUTABLE=nasm.exe
         md build build\include build\lib build\lib\pkgconfig dist
         cd x265\build\vc15-x86_64
         mkdir work work10 work12