diff --git a/sc2reader/events/tracker.py b/sc2reader/events/tracker.py
index 41b5c2f2..fe3e6f78 100644
--- a/sc2reader/events/tracker.py
+++ b/sc2reader/events/tracker.py
@@ -230,7 +230,7 @@ def __init__(self, frames, data, build):
         self.ff_vespene_lost_technology = clamp(self.stats[38]) if build >= 26490 else None
 
     def __str__(self):
-        return self._str_prefix() + "{0: >15} - Stats Update".format(self.player)
+        return self._str_prefix() + "{0: >15} - Stats Update".format(str(self.player))
 
 
 class UnitBornEvent(TrackerEvent):
@@ -291,7 +291,7 @@ def __init__(self, frames, data, build):
             self.location = (self.x, self.y)
 
     def __str__(self):
-        return self._str_prefix() + "{0: >15} - Unit born {1}".format(self.unit_upkeeper, self.unit)
+        return self._str_prefix() + "{0: >15} - Unit born {1}".format(str(self.unit_upkeeper), self.unit)
 
 
 class UnitDiedEvent(TrackerEvent):
@@ -361,7 +361,7 @@ def __init__(self, frames, data, build):
                 self.killing_unit_id = self.killing_unit_index << 18 | self.killing_unit_recycle
 
     def __str__(self):
-        return self._str_prefix() + "{0: >15} - Unit died {1}.".format(self.unit.owner, self.unit)
+        return self._str_prefix() + "{0: >15} - Unit died {1}.".format(str(self.unit.owner), self.unit)
 
 
 class UnitOwnerChangeEvent(TrackerEvent):
@@ -397,7 +397,7 @@ def __init__(self, frames, data, build):
         self.unit_controller = None
 
     def __str__(self):
-        return self._str_prefix() + "{0: >15} took {1}".format(self.unit_upkeeper, self.unit)
+        return self._str_prefix() + "{0: >15} took {1}".format(str(self.unit_upkeeper), self.unit)
 
 
 class UnitTypeChangeEvent(TrackerEvent):
@@ -425,7 +425,7 @@ def __init__(self, frames, data, build):
         self.unit_type_name = data[2].decode('utf8')
 
     def __str__(self):
-        return self._str_prefix() + "{0: >15} - Unit {0} type changed to {1}".format(self.unit.owner, self.unit, self.unit_type_name)
+        return self._str_prefix() + "{0: >15} - Unit {0} type changed to {1}".format(str(self.unit.owner), self.unit, self.unit_type_name)
 
 
 class UpgradeCompleteEvent(TrackerEvent):
@@ -448,7 +448,7 @@ def __init__(self, frames, data, build):
         self.count = data[2]
 
     def __str__(self):
-        return self._str_prefix() + "{0: >15} - {1}upgrade completed".format(self.player, self.upgrade_type_name)
+        return self._str_prefix() + "{0: >15} - {1} upgrade completed".format(str(self.player), self.upgrade_type_name)
 
 
 class UnitInitEvent(TrackerEvent):
@@ -504,7 +504,7 @@ def __init__(self, frames, data, build):
             self.location = (self.x, self.y)
 
     def __str__(self):
-        return self._str_prefix() + "{0: >15} - Unit initiated {1}".format(self.unit_upkeeper, self.unit)
+        return self._str_prefix() + "{0: >15} - Unit initiated {1}".format(str(self.unit_upkeeper), self.unit)
 
 
 class UnitDoneEvent(TrackerEvent):
@@ -528,7 +528,7 @@ def __init__(self, frames, data, build):
         self.unit = None
 
     def __str__(self):
-        return self._str_prefix() + "{0: >15} - Unit {1} done".format(self.unit.owner, self.unit)
+        return self._str_prefix() + "{0: >15} - Unit {1} done".format(str(self.unit.owner), self.unit)
 
 
 class UnitPositionsEvent(TrackerEvent):
diff --git a/test_replays/test_all.py b/test_replays/test_all.py
index 61e73302..1667fe1a 100644
--- a/test_replays/test_all.py
+++ b/test_replays/test_all.py
@@ -11,6 +11,11 @@
     import unittest2 as unittest
 else:
     import unittest
+# StringIO was changed in python 3
+try:
+    from StringIO import StringIO
+except ImportError:
+    from io import StringIO
 
 import sc2reader
 from sc2reader.exceptions import CorruptTrackerFileError
@@ -582,6 +587,15 @@ def test_65895(self):
         factory = sc2reader.factories.SC2Factory()
         replay = factory.load_replay(replayfilename)
 
+    def test_event_print(self):
+        replay = sc2reader.load_replay("test_replays/lotv/lotv1.SC2Replay")
+        sys.stdout = capturedOutput = StringIO()
+        for event in replay.events:
+            print(event)
+        self.assertIn("PlayerLeaveEvent", capturedOutput.getvalue())
+        sys.stdout = sys.__stdout__
+        capturedOutput.close()
+
 
 class TestGameEngine(unittest.TestCase):
     class TestEvent(object):