1diff --git a/src/modules/meson.build b/src/modules/meson.build
2index 5d2dc9984..35f5773aa 100644
3--- a/src/modules/meson.build
4+++ b/src/modules/meson.build
5@@ -169,6 +169,7 @@ if build_module_jack_tunnel
6 install_dir : modules_install_dir,
7 install_rpath: modules_install_dir,
8 dependencies : [mathlib, dl_lib, pipewire_dep],
9+ c_args: '-DNIXPKGS_LIBJACK_PATH="@0@"'.format(jack_dep.get_variable('libdir'))
10 )
11 build_module_jackdbus_detect = dbus_dep.found()
12 if build_module_jackdbus_detect
13diff --git a/src/modules/module-jack-tunnel/weakjack.h b/src/modules/module-jack-tunnel/weakjack.h
14index 42580f798..e7aadd3cc 100644
15--- a/src/modules/module-jack-tunnel/weakjack.h
16+++ b/src/modules/module-jack-tunnel/weakjack.h
17@@ -164,8 +164,7 @@ static inline int weakjack_load(struct weakjack *jack, const char *lib)
18
19 search_dirs = getenv("LIBJACK_PATH");
20 if (!search_dirs)
21- search_dirs = PREFIX "/lib64/:" PREFIX "/lib/:"
22- "/usr/lib64/:/usr/lib/:" LIBDIR;
23+ search_dirs = NIXPKGS_LIBJACK_PATH;
24
25 while ((p = pw_split_walk(search_dirs, ":", &len, &state))) {
26 int pathlen;