diff --git a/libnvme/src/nvme/meson.build b/libnvme/src/nvme/meson.build
index bc511e1175..241f01a3d6 100644
--- a/libnvme/src/nvme/meson.build
+++ b/libnvme/src/nvme/meson.build
@@ -20,6 +20,7 @@ headers_to_scan = [
 generate_accessors = executable(
     'generate-accessors',
     'generate-accessors.c',
+    c_args: ['-D_GNU_SOURCE'],
     dependencies: [
         config_dep,
     ],