diff --git a/tests/installed-tests.sh.in b/tests/installed-tests.sh.in
index e0978ec4..765995e5 100644
--- a/tests/installed-tests.sh.in
+++ b/tests/installed-tests.sh.in
@@ -1,4 +1,7 @@
 # Copyright 2024 Collabora Ltd.
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
+FLATPAK_TRIGGERSDIR='@FLATPAK_TRIGGERSDIR@'
 FUSERMOUNT='@FUSERMOUNT@'
+
+export FLATPAK_TRIGGERSDIR
diff --git a/tests/meson.build b/tests/meson.build
index 852eceab..c7018b89 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -46,6 +46,7 @@ if get_option('installed_tests')
     output : 'installed-tests.sh',
     configuration : {
       'FUSERMOUNT' : fusermount,
+      'FLATPAK_TRIGGERSDIR' : get_option('prefix') / get_option('datadir') / 'flatpak' / 'triggers',
     },
     install_dir : installed_testdir,
   )