diff --git a/gramps/gen/plug/utils.py b/gramps/gen/plug/utils.py
index f2ecfac9c..cb541a055 100644
--- a/gramps/gen/plug/utils.py
+++ b/gramps/gen/plug/utils.py
@@ -397,18 +397,19 @@ def load_addon_file(path, callback=None):
 #-------------------------------------------------------------------------
 class OpenFileOrStdout:
     """Context manager to open a file or stdout for writing."""
-    def __init__(self, filename, encoding=None):
+    def __init__(self, filename, encoding=None, errors=None, newline=None):
         self.filename = filename
         self.filehandle = None
         self.encoding = encoding
+        self.errors = errors
+        self.newline = newline
 
     def __enter__(self):
         if self.filename == '-':
             self.filehandle = sys.stdout
-        elif self.encoding:
-            self.filehandle = open(self.filename, 'w', encoding=self.encoding)
         else:
-            self.filehandle = open(self.filename, 'w')
+            self.filehandle = open(self.filename, 'w', encoding=self.encoding,
+                                   errors=self.errors, newline=self.newline)
         return self.filehandle
 
     def __exit__(self, exc_type, exc_value, traceback):
diff --git a/gramps/plugins/export/exportvcard.py b/gramps/plugins/export/exportvcard.py
index ff8150a78..185dae400 100644
--- a/gramps/plugins/export/exportvcard.py
+++ b/gramps/plugins/export/exportvcard.py
@@ -148,7 +148,8 @@ class VCardWriter:
 
     def export_data(self):
         """Open the file and loop over everyone too write their VCards."""
-        with OpenFileOrStdout(self.filename) as self.filehandle:
+        with OpenFileOrStdout(self.filename, encoding='utf-8',
+                              errors='strict', newline='') as self.filehandle:
             if self.filehandle:
                 self.count = 0
                 self.oldval = 0