--- a/meson.build
+++ b/meson.build
@@ -111,7 +111,7 @@ else
   datadir = join_paths(prefix, get_option('datadir'))
   libexecdir = join_paths(prefix, get_option('libexecdir'))
-  installed_test_bindir = join_paths(libexecdir, 'installed-tests', meson.project_name())
-  installed_test_datadir = join_paths(datadir, 'installed-tests', meson.project_name())
+  installed_test_bindir = join_paths(get_option('installed_test_prefix'), 'libexec', 'installed-tests', meson.project_name())
+  installed_test_datadir = join_paths(get_option('installed_test_prefix'), 'share', 'installed-tests', meson.project_name())
 endif
 
 gio = dependency('gio-2.0', version : '>= 2.45.8')
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -3,4 +3,5 @@ option('introspection', type : 'boolean', value : true, description : 'generate
 option('tests', type : 'boolean', value : true, description : 'enable tests')
 option('stemmer', type : 'boolean', value : false, description : 'enable stemmer support')
 option('cli', type : 'boolean', value : true, description : 'build and install the xb-tool CLI')
 option('zstd', type : 'boolean', value : true, description : 'enable zstd support')
+option('installed_test_prefix', type: 'string', value: '', description: 'Prefix for installed tests')