diff --git a/examples/audio/ipynb/transformer_asr.ipynb b/examples/audio/ipynb/transformer_asr.ipynb
index e18ed043f5..8a35171e7d 100644
--- a/examples/audio/ipynb/transformer_asr.ipynb
+++ b/examples/audio/ipynb/transformer_asr.ipynb
@@ -400,7 +400,7 @@
     "    \"\"\"returns mapping of audio paths and transcription texts\"\"\"\n",
     "    data = []\n",
     "    for w in wavs:\n",
-    "        id = pattern_wav_name.split(test)[-4]\n",
+    "        id = pattern_wav_name.split(w)[-4]\n",
     "        if len(id_to_text[id]) < maxlen:\n",
     "            data.append({\"audio\": w, \"text\": id_to_text[id]})\n",
     "    return data\n"
diff --git a/examples/audio/md/transformer_asr.md b/examples/audio/md/transformer_asr.md
index 1d4c9ea513..ffe325f677 100644
--- a/examples/audio/md/transformer_asr.md
+++ b/examples/audio/md/transformer_asr.md
@@ -330,7 +330,7 @@ def get_data(wavs, id_to_text, maxlen=50):
     """returns mapping of audio paths and transcription texts"""
     data = []
     for w in wavs:
-        id = pattern_wav_name.split(test)[-4]
+        id = pattern_wav_name.split(w)[-4]
         if len(id_to_text[id]) < maxlen:
             data.append({"audio": w, "text": id_to_text[id]})
     return data
diff --git a/examples/audio/transformer_asr.py b/examples/audio/transformer_asr.py
index d80383c501..f7b1d7130e 100644
--- a/examples/audio/transformer_asr.py
+++ b/examples/audio/transformer_asr.py
@@ -315,7 +315,7 @@ def get_data(wavs, id_to_text, maxlen=50):
     """returns mapping of audio paths and transcription texts"""
     data = []
     for w in wavs:
-        id = pattern_wav_name.split(test)[-4]
+        id = pattern_wav_name.split(w)[-4]
         if len(id_to_text[id]) < maxlen:
             data.append({"audio": w, "text": id_to_text[id]})
     return data