diff --git a/Obok_plugin/obok/obok.py b/Obok_plugin/obok/obok.py
index a986965..4de7644 100644
--- a/Obok_plugin/obok/obok.py
+++ b/Obok_plugin/obok/obok.py
@@ -224,10 +224,17 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data,str):
+        if isinstance(data,str) or isinstance(data,unicode):
+            # str for Python3, unicode for Python2
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
+        try:
+            buffer = getattr(self.stream, 'buffer', self.stream)
+            # self.stream.buffer for Python3, self.stream for Python2
+            buffer.write(data)
+            buffer.flush()
+        except:
+            # We can do nothing if a write fails
+            raise
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
diff --git a/Other_Tools/Kobo/obok.py b/Other_Tools/Kobo/obok.py
index ae08800..c26d422 100644
--- a/Other_Tools/Kobo/obok.py
+++ b/Other_Tools/Kobo/obok.py
@@ -276,12 +276,20 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data,unicode):
+        if isinstance(data,str) or isinstance(data,unicode):
+            # str for Python3, unicode for Python2
             data = data.encode(self.encoding,"replace")
-        self.stream.write(data)
-        self.stream.flush()
+        try:
+            buffer = getattr(self.stream, 'buffer', self.stream)
+            # self.stream.buffer for Python3, self.stream for Python2
+            buffer.write(data)
+            buffer.flush()
+        except:
+            # We can do nothing if a write fails
+            raise
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
+        
 
 
 class KoboLibrary(object):