diff --git a/src/make.tcl b/src/make.tcl
index 4769fe32..a8b9812d 100644
--- a/src/make.tcl
+++ b/src/make.tcl
@@ -2765,7 +2765,7 @@ if {$sdxpath eq ""} {
                         set testpath $rtfolder/$rtname
                         if {[file exists $testpath]} {
                             if {[file type $testpath] eq "directory"} {
-                                set tclkitpath $rtfolder/[punk::lib::runtime_buildcopyname $testpath]
+                                set tclkitpath $rtfolder/[punkboot::lib::runtime_buildcopyname $testpath]
                             } else {
                                 set tclkitpath $testpath
                             }