diff --git a/examples/libcalc/example.py b/examples/libcalc/example.py
index 6312744d..a90deeec 100644
--- a/examples/libcalc/example.py
+++ b/examples/libcalc/example.py
@@ -2,7 +2,16 @@
 import os
 import sys
 
+def profilefunc(frame, event, arg):
+    if event == 'call':
+        if frame.f_code.co_name == 'isfile' and frame.f_back.f_code.co_name == 'find_library':
+            for i in range(frame.f_code.co_argcount):
+                name = frame.f_code.co_varnames[i]
+                print(frame.f_locals[name])
+
+sys.setprofile(profilefunc)
 import libcalc
+sys.setprofile(None)
 
 def die(msg):
     print(msg)