diff --git a/src/plugins/irix/Makefile.am b/src/plugins/irix/Makefile.am
index 9c33b8514c0027b0048a8e69a10165debf6a034b..452a760a3a5484e0994b7a558a438cb081e62736 100644
--- a/src/plugins/irix/Makefile.am
+++ b/src/plugins/irix/Makefile.am
@@ -20,6 +20,7 @@ libdir = $(plugindir)
 lib_LTLIBRARIES = $(irixltlibs)
 
 libirix_la_LDFLAGS = @PLUGIN_LDFLAGS@
+libirix_la_LIBADD = -laudio
 libirix_la_SOURCES = $(irixsources)
 
 EXTRA_DIST = ao_irix.c