diff --git a/audio/audio.c b/audio/audio.c
index 1510b598a6..02bb8861f8 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -828,8 +828,9 @@ static int audio_attach_capture (HWVoiceOut *hw)
         QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries);
         QLIST_INSERT_HEAD (&hw->cap_head, sc, entries);
 #ifdef DEBUG_CAPTURE
-        asprintf (&sw->name, "for %p %d,%d,%d",
-                  hw, sw->info.freq, sw->info.bits, sw->info.nchannels);
+        sw->name = g_strdup_printf ("for %p %d,%d,%d",
+                                    hw, sw->info.freq, sw->info.bits,
+                                    sw->info.nchannels);
         dolog ("Added %s active = %d\n", sw->name, sw->active);
 #endif
         if (sw->active) {