diff --git a/src/make.tcl b/src/make.tcl
index b17de3e9..0fd79ad3 100644
--- a/src/make.tcl
+++ b/src/make.tcl
@@ -2454,7 +2454,7 @@ if {[file dirname [info nameofexecutable]] eq $rtfolder} {
     if {$::tcl_platform(platform) eq "windows"} {
         exec cmd /c copy [info nameofexecutable] $rtfolder/[file rootname [info nameofexecutable]]_BUILDCOPY.exe
     } else {
-        exec cp [info nameofexecutable] $rtfolder/[info nameofexecutable]_BUILDCOPY
+        exec cp [info nameofexecutable] $rtfolder/[file rootname [info nameofexecutable]]_BUILDCOPY
     }
 }
 
@@ -2683,7 +2683,7 @@ foreach  runtimefile $runtimes {
         #assume it's a mounted tclkit (because tcl kits mount in same place as their underlying path and mask the executable)
         #use the BUILDCOPY created above - REVIEW
         if {$::tcl_platform(platform) eq "windows"} {
-            set useruntime [file rootname [file tail $runtimefile]]_BUILDCOPY.exe
+            set useruntime [file tail $runtimefile]_BUILDCOPY.exe
         } else {
             set useruntime ${runtimefile}_BUILDCOPY
         }
diff --git a/src/project_layouts/custom/_project/punk.basic/src/make.tcl b/src/project_layouts/custom/_project/punk.basic/src/make.tcl
index b17de3e9..0fd79ad3 100644
--- a/src/project_layouts/custom/_project/punk.basic/src/make.tcl
+++ b/src/project_layouts/custom/_project/punk.basic/src/make.tcl
@@ -2454,7 +2454,7 @@ if {[file dirname [info nameofexecutable]] eq $rtfolder} {
     if {$::tcl_platform(platform) eq "windows"} {
         exec cmd /c copy [info nameofexecutable] $rtfolder/[file rootname [info nameofexecutable]]_BUILDCOPY.exe
     } else {
-        exec cp [info nameofexecutable] $rtfolder/[info nameofexecutable]_BUILDCOPY
+        exec cp [info nameofexecutable] $rtfolder/[file rootname [info nameofexecutable]]_BUILDCOPY
     }
 }
 
@@ -2683,7 +2683,7 @@ foreach  runtimefile $runtimes {
         #assume it's a mounted tclkit (because tcl kits mount in same place as their underlying path and mask the executable)
         #use the BUILDCOPY created above - REVIEW
         if {$::tcl_platform(platform) eq "windows"} {
-            set useruntime [file rootname [file tail $runtimefile]]_BUILDCOPY.exe
+            set useruntime [file tail $runtimefile]_BUILDCOPY.exe
         } else {
             set useruntime ${runtimefile}_BUILDCOPY
         }
diff --git a/src/project_layouts/custom/_project/punk.project-0.1/src/make.tcl b/src/project_layouts/custom/_project/punk.project-0.1/src/make.tcl
index b17de3e9..0fd79ad3 100644
--- a/src/project_layouts/custom/_project/punk.project-0.1/src/make.tcl
+++ b/src/project_layouts/custom/_project/punk.project-0.1/src/make.tcl
@@ -2454,7 +2454,7 @@ if {[file dirname [info nameofexecutable]] eq $rtfolder} {
     if {$::tcl_platform(platform) eq "windows"} {
         exec cmd /c copy [info nameofexecutable] $rtfolder/[file rootname [info nameofexecutable]]_BUILDCOPY.exe
     } else {
-        exec cp [info nameofexecutable] $rtfolder/[info nameofexecutable]_BUILDCOPY
+        exec cp [info nameofexecutable] $rtfolder/[file rootname [info nameofexecutable]]_BUILDCOPY
     }
 }
 
@@ -2683,7 +2683,7 @@ foreach  runtimefile $runtimes {
         #assume it's a mounted tclkit (because tcl kits mount in same place as their underlying path and mask the executable)
         #use the BUILDCOPY created above - REVIEW
         if {$::tcl_platform(platform) eq "windows"} {
-            set useruntime [file rootname [file tail $runtimefile]]_BUILDCOPY.exe
+            set useruntime [file tail $runtimefile]_BUILDCOPY.exe
         } else {
             set useruntime ${runtimefile}_BUILDCOPY
         }
diff --git a/src/project_layouts/custom/_project/punk.shell-0.1/src/make.tcl b/src/project_layouts/custom/_project/punk.shell-0.1/src/make.tcl
index b17de3e9..0fd79ad3 100644
--- a/src/project_layouts/custom/_project/punk.shell-0.1/src/make.tcl
+++ b/src/project_layouts/custom/_project/punk.shell-0.1/src/make.tcl
@@ -2454,7 +2454,7 @@ if {[file dirname [info nameofexecutable]] eq $rtfolder} {
     if {$::tcl_platform(platform) eq "windows"} {
         exec cmd /c copy [info nameofexecutable] $rtfolder/[file rootname [info nameofexecutable]]_BUILDCOPY.exe
     } else {
-        exec cp [info nameofexecutable] $rtfolder/[info nameofexecutable]_BUILDCOPY
+        exec cp [info nameofexecutable] $rtfolder/[file rootname [info nameofexecutable]]_BUILDCOPY
     }
 }
 
@@ -2683,7 +2683,7 @@ foreach  runtimefile $runtimes {
         #assume it's a mounted tclkit (because tcl kits mount in same place as their underlying path and mask the executable)
         #use the BUILDCOPY created above - REVIEW
         if {$::tcl_platform(platform) eq "windows"} {
-            set useruntime [file rootname [file tail $runtimefile]]_BUILDCOPY.exe
+            set useruntime [file tail $runtimefile]_BUILDCOPY.exe
         } else {
             set useruntime ${runtimefile}_BUILDCOPY
         }