diff --git a/bitbake/lib/bb/compat.py b/bitbake/lib/bb/compat.py
index ea4e23a008..440a2fbc8b 100644
--- a/bitbake/lib/bb/compat.py
+++ b/bitbake/lib/bb/compat.py
@@ -343,7 +343,7 @@ def worker(inqueue, outqueue, initializer=None, initargs=(), maxtasks=None):
         job, i, func, args, kwds = task
         try:
             result = (True, func(*args, **kwds))
-        except Exception, e:
+        except Exception as e:
             result = (False, e)
         try:
             put((job, i, result))
diff --git a/bitbake/lib/bb/process.py b/bitbake/lib/bb/process.py
index 1aeec788c1..afc8e9bd49 100644
--- a/bitbake/lib/bb/process.py
+++ b/bitbake/lib/bb/process.py
@@ -85,7 +85,7 @@ def _logged_communicate(pipe, log, input):
             rlist = rin
             try:
                 r,w,e = select.select (rlist, [], [])
-            except OSError, e:
+            except OSError as e:
                 if e.errno != errno.EINTR:
                     raise
 
diff --git a/bitbake/lib/bb/siggen.py b/bitbake/lib/bb/siggen.py
index dece945969..1ff2ecc482 100644
--- a/bitbake/lib/bb/siggen.py
+++ b/bitbake/lib/bb/siggen.py
@@ -249,7 +249,7 @@ class SignatureGeneratorBasic(SignatureGenerator):
                 os.fsync(fd)
             os.chmod(tmpfile, 0664)
             os.rename(tmpfile, sigfile)
-        except (OSError, IOError), err:
+        except (OSError, IOError) as err:
             try:
                 os.unlink(tmpfile)
             except OSError: