diff --git a/test/test_examples.py.in b/test/test_examples.py.in
index 402ce30..2d75d79 100755
--- a/test/test_examples.py.in
+++ b/test/test_examples.py.in
@@ -351,7 +351,7 @@ class Test(gammalib.GPythonTestSuite):
         """
         # Execute script
         self._execute_python('show_obs',
-                             args='obs_selected.xml example_show_obs.jpg')
+                             args='obs_selected.xml example_show_obs.eps')
 
         # Return
         return