diff --git a/json-glib/tests/meson.build b/json-glib/tests/meson.build
index 1eb56c8..dca444e 100644
--- a/json-glib/tests/meson.build
+++ b/json-glib/tests/meson.build
@@ -21,8 +21,9 @@ test_data = [
   'stream-load.json',
 ]
 
-installed_test_bindir = join_paths(json_libexecdir, 'installed-tests', json_api_name)
-installed_test_datadir = join_paths(json_datadir, 'installed-tests', json_api_name)
+installed_test_prefix = get_option('installed_test_prefix')
+installed_test_bindir = join_paths(installed_test_prefix, 'libexec', 'installed-tests', json_api_name)
+installed_test_datadir = join_paths(installed_test_prefix, 'share', 'installed-tests', json_api_name)
 
 install_data(test_data, install_dir: installed_test_bindir)
 
diff --git a/meson_options.txt b/meson_options.txt
index 5a96998..383aa6c 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -13,3 +13,6 @@ option('tests',
 option('nls',
        type: 'feature', value: 'auto', yield: true,
        description: 'Enable native language support (translations)')
+option('installed_test_prefix',
+       description: 'Prefix for installed tests',
+       type: 'string')