diff --git a/py25/bacpypes/__init__.py b/py25/bacpypes/__init__.py
index 37011ff6..e312a487 100755
--- a/py25/bacpypes/__init__.py
+++ b/py25/bacpypes/__init__.py
@@ -18,7 +18,7 @@
 #   Project Metadata
 #
 
-__version__ = '0.16.1'
+__version__ = '0.16.2'
 __author__ = 'Joel Bender'
 __email__ = 'joel@carrickbender.com'
 
diff --git a/py25/bacpypes/iocb.py b/py25/bacpypes/iocb.py
index 920cff58..14944768 100644
--- a/py25/bacpypes/iocb.py
+++ b/py25/bacpypes/iocb.py
@@ -163,6 +163,7 @@ def trigger(self):
 
         # set the completion event
         self.ioComplete.set()
+        if _debug: IOCB._debug("    - complete event set")
 
         # make the callback(s)
         for fn, args, kwargs in self.ioCallback:
diff --git a/py27/bacpypes/__init__.py b/py27/bacpypes/__init__.py
index 37011ff6..e312a487 100755
--- a/py27/bacpypes/__init__.py
+++ b/py27/bacpypes/__init__.py
@@ -18,7 +18,7 @@
 #   Project Metadata
 #
 
-__version__ = '0.16.1'
+__version__ = '0.16.2'
 __author__ = 'Joel Bender'
 __email__ = 'joel@carrickbender.com'
 
diff --git a/py27/bacpypes/iocb.py b/py27/bacpypes/iocb.py
index 581900ae..8d86a001 100644
--- a/py27/bacpypes/iocb.py
+++ b/py27/bacpypes/iocb.py
@@ -164,6 +164,7 @@ def trigger(self):
 
         # set the completion event
         self.ioComplete.set()
+        if _debug: IOCB._debug("    - complete event set")
 
         # make the callback(s)
         for fn, args, kwargs in self.ioCallback:
diff --git a/py34/bacpypes/__init__.py b/py34/bacpypes/__init__.py
index bd7919de..bd97016d 100755
--- a/py34/bacpypes/__init__.py
+++ b/py34/bacpypes/__init__.py
@@ -18,7 +18,7 @@
 #   Project Metadata
 #
 
-__version__ = '0.16.1'
+__version__ = '0.16.2'
 __author__ = 'Joel Bender'
 __email__ = 'joel@carrickbender.com'
 
diff --git a/py34/bacpypes/iocb.py b/py34/bacpypes/iocb.py
index 581900ae..8d86a001 100644
--- a/py34/bacpypes/iocb.py
+++ b/py34/bacpypes/iocb.py
@@ -164,6 +164,7 @@ def trigger(self):
 
         # set the completion event
         self.ioComplete.set()
+        if _debug: IOCB._debug("    - complete event set")
 
         # make the callback(s)
         for fn, args, kwargs in self.ioCallback: