diff --git a/configure.in b/configure.in
index 043798fbe..5a094b6fb 100644
--- a/configure.in
+++ b/configure.in
@@ -498,7 +498,7 @@ AC_HELP_STRING([--enable-nas], [support the NAS audio API [default=yes]]),
         if test -r /usr/X11R6/include/audio/audiolib.h; then
             have_nas=yes
             NAS_CFLAGS="-I/usr/X11R6/include/"
-            NAS_LIBS="-laudio -lXt"
+            NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
 
         dnl On IRIX, the NAS includes are in a different directory,
         dnl and libnas must be explicitly linked in