diff --git a/meson.build b/meson.build
index 1fc438e5..f3dc8a40 100644
--- a/meson.build
+++ b/meson.build
@@ -83,6 +83,7 @@ libglnx_sources = [
 libglnx = static_library('glnx',
   libglnx_sources,
   dependencies : libglnx_deps,
+  gnu_symbol_visibility : 'hidden',
   include_directories : libglnx_inc,
   install : false)
 libglnx_dep = declare_dependency(