diff --git a/ada_mode_gps_indent.gpr b/ada_mode_gps_indent.gpr
index 3667edfc..a6656059 100644
--- a/ada_mode_gps_indent.gpr
+++ b/ada_mode_gps_indent.gpr
@@ -19,6 +19,7 @@
 with "gnat_util";
 with "gnatcoll_sqlite";
 with "gnatcoll_iconv";
+with "gnatcoll_xref";
 project Ada_Mode_GPS_Indent is
    for Main use ("ada_mode_gps_indent.adb");
 
diff --git a/gpr_query.adb b/gpr_query.adb
index d53a622d..7737b798 100644
--- a/gpr_query.adb
+++ b/gpr_query.adb
@@ -444,8 +444,7 @@ procedure Gpr_Query is
       pragma Unreferenced (Args);
    begin
       Xref.Parse_All_LI_Files
-        (Tree                => Tree,
-         Project             => Tree.Root_Project,
+        (Project             => Tree.Root_Project,
          Parse_Runtime_Files => False, --  True encounters bug in gnatcoll.projects; null pointer
          Show_Progress       => Progress_Reporter,
          ALI_Encoding        => ALI_Encoding.all,
diff --git a/gpr_query.gpr b/gpr_query.gpr
index 6e57ee13..fcb9c655 100644
--- a/gpr_query.gpr
+++ b/gpr_query.gpr
@@ -18,6 +18,7 @@
 
 with "gnatcoll";
 with "gnatcoll_sqlite";
+with "gnatcoll_xref";
 with "gnat_util";
 project Gpr_query is
    for Main use ("gpr_query.adb");