diff --git a/src/pcm/pcm_symbols.c b/src/pcm/pcm_symbols.c
index 64b6d199..b192ba2a 100644
--- a/src/pcm/pcm_symbols.c
+++ b/src/pcm/pcm_symbols.c
@@ -45,6 +45,7 @@ extern const char *_snd_module_pcm_dsnoop;
 extern const char *_snd_module_pcm_dshare;
 extern const char *_snd_module_pcm_asym;
 extern const char *_snd_module_pcm_iec958;
+extern const char *_snd_module_pcm_softvol;
 
 static const char **snd_pcm_open_objects[] = {
 	&_snd_module_pcm_adpcm,