--- a/share/gprconfig/linker.xml	2021-12-21 22:36:01.054738486 +0100
+++ b/share/gprconfig/linker.xml	2021-12-21 22:36:59.973738600 +0100
@@ -128,7 +128,8 @@
       <host name="^i686.*-linux.*$" />
     </hosts>
     <config>
-   for Object_Lister use ("nm", "-g");
+   NM := External("NM", "nm");
+   for Object_Lister use (NM, "-g");
    for Object_Lister_Matcher use " [TDRB] (.*)";
 
    package Linker is