diff --git a/shared/nm-utils/nm-macros-internal.h b/shared/nm-utils/nm-macros-internal.h
index 9fb62b447..24499172c 100644
--- a/shared/nm-utils/nm-macros-internal.h
+++ b/shared/nm-utils/nm-macros-internal.h
@@ -85,6 +85,13 @@ _nm_auto_fclose_impl (FILE **pfd)
 }
 #define nm_auto_fclose nm_auto(_nm_auto_fclose_impl)
 
+static inline void
+_nm_auto_protect_errno (int *p_saved_errno)
+{
+	errno = *p_saved_errno;
+}
+#define NM_AUTO_PROTECT_ERRNO(errsv_saved) nm_auto(_nm_auto_protect_errno) _nm_unused const int errsv_saved = (errno)
+
 /*****************************************************************************/
 
 /* http://stackoverflow.com/a/11172679 */