diff --git a/contrib/python/basopt.nw b/contrib/python/basopt.nw
index 0e7ec938b5..60d3c4f831 100644
--- a/contrib/python/basopt.nw
+++ b/contrib/python/basopt.nw
@@ -19,7 +19,7 @@ end
 print none
 
 python noprint
-  from util import *
+  from mathutil import *
 
   # It should only be necessary to modify these three lines for 
   # your system ... the exponents will be subsitituted in order
diff --git a/contrib/python/basopt2.nw b/contrib/python/basopt2.nw
index 03bbdf4534..f35d07ffff 100644
--- a/contrib/python/basopt2.nw
+++ b/contrib/python/basopt2.nw
@@ -23,7 +23,7 @@ set int:acc_std 1e-25
 print none
 
 python noprint
-  from util import *
+  from mathutil import *
 
   # It should only be necessary to modify these three lines for 
   # your system ... the exponents will be subsitituted in order
diff --git a/contrib/python/basopt3.nw b/contrib/python/basopt3.nw
index 6c7b26e2d1..acd45d6430 100644
--- a/contrib/python/basopt3.nw
+++ b/contrib/python/basopt3.nw
@@ -24,7 +24,7 @@ set int:acc_std 1e-25
 print none
 
 python noprint
-  from util import *
+  from mathutil import *
 
   # It should only be necessary to modify these three lines for 
   # your system ... the exponents will be subsitituted in order