diff --git a/src/xpdev/Common.gmake b/src/xpdev/Common.gmake
index b14aa6cb397e2b4ac7c7efb247463515ecd3009a..3b4ba4245ea9c9459ad6f40caa2f8a1fbfd0f584 100644
--- a/src/xpdev/Common.gmake
+++ b/src/xpdev/Common.gmake
@@ -1,2 +1,10 @@
 XPDEV_LIBS	+=	-lm
 XPDEV-MT_LIBS	+=	-lm
+ifeq ($(os),netbsd)     # NetBSD
+ XPDEV_LIBS	+=	-lossaudio
+ XPDEV-MT_LIBS	+=	-lossaudio
+endif
+ifeq ($(os),openbsd)    # OpenBSD
+ XPDEV_LIBS	+=	-lossaudio
+ XPDEV-MT_LIBS	+=	-lossaudio
+endif