diff --git a/.github/workflows/autobuild.yml b/.github/workflows/autobuild.yml
index 43fc3333..e381fe15 100644
--- a/.github/workflows/autobuild.yml
+++ b/.github/workflows/autobuild.yml
@@ -1223,6 +1223,7 @@ jobs:
           then
             flags='HAVE_THREADS=1 PROXY_TO_PTHREAD=1 HAVE_AUDIOWORKLET=1 HAVE_RWEBAUDIO=0 HAVE_AL=0 HAVE_WASMFS=1 HAVE_EXTRA_WASMFS=1'
           elif [ "$tag_name" = 'v1.21.0' ]
+          then
             flags='HAVE_THREADS=0 PROXY_TO_PTHREAD=0 HAVE_AUDIOWORKLET=0 HAVE_RWEBAUDIO=0 HAVE_AL=1 HAVE_WASMFS=0 HAVE_EXTRA_WASMFS=0'
           else
             flags='HAVE_THREADS=0 PROXY_TO_PTHREAD=0 HAVE_AUDIOWORKLET=0 HAVE_RWEBAUDIO=1 HAVE_AL=1 HAVE_WASMFS=0 HAVE_EXTRA_WASMFS=0'