diff --git a/projects/scripts/adi_project_xilinx.tcl b/projects/scripts/adi_project_xilinx.tcl
index ae1f78e4e..abaeb6522 100644
--- a/projects/scripts/adi_project_xilinx.tcl
+++ b/projects/scripts/adi_project_xilinx.tcl
@@ -292,6 +292,8 @@ proc adi_project_files {project_name project_files} {
   foreach pfile $project_files {
     if {[string range $pfile [expr 1 + [string last . $pfile]] end] == "xdc"} {
       add_files -norecurse -fileset constrs_1 $pfile
+    } elseif [regexp "_constr.tcl" $pfile] {
+      add_files -norecurse -fileset sources_1 $pfile
     } else {
       add_files -norecurse -fileset sources_1 $pfile
     }