diff --git a/common/netlist_to_layout.py b/common/netlist_to_layout.py
index a3d9f51..0c228ef 100755
--- a/common/netlist_to_layout.py
+++ b/common/netlist_to_layout.py
@@ -1,4 +1,4 @@
-#!/bin/env python3
+#!/usr/bin/env python3
 #-----------------------------------------------------------------------
 # netlist_to_layout.py
 #-----------------------------------------------------------------------
diff --git a/common/split_gds.py b/common/split_gds.py
index 1a26ee6..31f4ac7 100755
--- a/common/split_gds.py
+++ b/common/split_gds.py
@@ -45,7 +45,7 @@
     gdsfile = os.path.split(source)[1]
 
     with open(destdir + '/split_gds.tcl', 'w') as ofile:
-        print('#!/bin/env wish', file=ofile)
+        print('#!/usr/bin/env wish', file=ofile)
         print('drc off', file=ofile)
         print('gds readonly true', file=ofile)
         print('gds rescale false', file=ofile)
diff --git a/common/split_one_spice.py b/common/split_one_spice.py
index 86a448a..be87d7a 100755
--- a/common/split_one_spice.py
+++ b/common/split_one_spice.py
@@ -1,4 +1,4 @@
-#!/bin/env python3
+#!/usr/bin/env python3
 #
 # split_one_spice.py --
 #