diff --git a/src/devices/nm-device-private.h b/src/devices/nm-device-private.h
index 2e33d8a4a7..a8e577e645 100644
--- a/src/devices/nm-device-private.h
+++ b/src/devices/nm-device-private.h
@@ -180,7 +180,7 @@ void nm_device_commit_mtu (NMDevice *self);
 	((NM_NARG (__VA_ARGS__) == 0) \
 	  ? NULL \
 	  : ({ \
-	      const NMLinkType _types[NM_NARG (__VA_ARGS__) + 1] = { \
+	      static const NMLinkType _types[NM_NARG (__VA_ARGS__) + 1] = { \
 	          __VA_ARGS__ \
 	          _NM_MACRO_COMMA_IF_ARGS (__VA_ARGS__) \
 	          NM_LINK_TYPE_NONE, \