diff --git a/scour/scour.py b/scour/scour.py
index ef9c7be..b27cce5 100644
--- a/scour/scour.py
+++ b/scour/scour.py
@@ -56,7 +56,7 @@ import re
 import sys
 import time
 import xml.dom.minidom
-from xml.dom import Node
+from xml.dom import Node, NotFoundErr
 from collections import namedtuple
 from decimal import Context, Decimal, InvalidOperation, getcontext
 
@@ -3619,7 +3619,7 @@ def scourXmlFile(filename, options=None):
     for node in all_nodes:
         try:
             node.setIdAttribute('id')
-        except:
+        except NotFoundErr:
             pass
 
     return doc
diff --git a/testscour.py b/testscour.py
index 50ad4e3..060b095 100755
--- a/testscour.py
+++ b/testscour.py
@@ -66,7 +66,7 @@ class EmptyOptions(unittest.TestCase):
         try:
             scourString(self.MINIMAL_SVG, options)
             fail = False
-        except:
+        except Exception:
             fail = True
         self.assertEqual(fail, False,
                          'Exception when calling "scourString" with empty options object')
@@ -76,7 +76,7 @@ class EmptyOptions(unittest.TestCase):
         try:
             scourXmlFile('unittests/minimal.svg', options)
             fail = False
-        except:
+        except Exception:
             fail = True
         self.assertEqual(fail, False,
                          'Exception when calling "scourXmlFile" with empty options object')
@@ -91,7 +91,7 @@ class EmptyOptions(unittest.TestCase):
         try:
             start(options, input, output)
             fail = False
-        except:
+        except Exception:
             fail = True
         sys.stdout = stdout_temp
 
@@ -109,7 +109,7 @@ class InvalidOptions(unittest.TestCase):
         try:
             scourXmlFile('unittests/ids-to-strip.svg', options)
             fail = False
-        except:
+        except Exception:
             fail = True
         self.assertEqual(fail, False,
                          'Exception when calling Scour with invalid options')