diff --git a/modules/usbaudio/audio_hw.c b/modules/usbaudio/audio_hw.c
index 664a753..35f7705 100644
--- a/modules/usbaudio/audio_hw.c
+++ b/modules/usbaudio/audio_hw.c
@@ -1037,6 +1037,8 @@
         }
     }
 
+    str_parms_destroy(parms);
+
     return 0;
 }