diff --git a/.github/workflows/02-pr-checks.yml b/.github/workflows/02-pr-checks.yml
index 1215487..c2ac2e4 100644
--- a/.github/workflows/02-pr-checks.yml
+++ b/.github/workflows/02-pr-checks.yml
@@ -94,4 +94,4 @@ jobs:
           # First decode DTMF tones from the source file that was played back, for verification:
           dtmf2num test/dtmf_src.wav
           # Now decode DTMF tones from the output dump file from the emulated sound device in QEMU VM:
-          dtmf2num hda_out.wav
+          dtmf2num ac97_out.wav