--- a/projects/src/gnatcoll-projects.ads	2025-01-04 15:16:43.534598733 +0100
+++ b/projects/src/gnatcoll-projects.ads	2025-01-04 15:17:23.548103890 +0100
@@ -2093,7 +2093,7 @@
       Predefined_Source_Files : GNATCOLL.VFS.File_Array_Access;
       --  The list of source files in Predefined_Source_Path
 
-      Default_Gnatls : GNAT.Strings.String_Access := new String'("gnatls");
+      Default_Gnatls : GNAT.Strings.String_Access := new String'("@GNATLS@");
       --  The default gnatls command to run.
 
       Xrefs_Subdir : GNAT.Strings.String_Access;