diff --git a/meson.build b/meson.build
index 593304eb..29ba56dc 100644
--- a/meson.build
+++ b/meson.build
@@ -38,7 +38,9 @@ add_project_arguments(cppflags, language: 'cpp')
 # is generated at the end of this file
 config_h = configuration_data()
 config_h.set('_GNU_SOURCE', '1')
-libratbag_data_dir = join_paths(get_option('datadir'), 'libratbag')
+libratbag_data_dir = join_paths(get_option('prefix'),
+				get_option('datadir'),
+				'libratbag')
 config_h.set_quoted('LIBRATBAG_DATA_DIR', libratbag_data_dir)
 
 # dependencies