diff --git a/qutebrowser/widgets/completion.py b/qutebrowser/widgets/completion.py
index b8ab7ff2f..d5fabbebd 100644
--- a/qutebrowser/widgets/completion.py
+++ b/qutebrowser/widgets/completion.py
@@ -257,7 +257,7 @@ class CompletionView(QTreeView):
         data = self.model.data(idx)
         if data is not None:
             self._ignore_next = True
-            self.append_cmd_text.emit(self.model.data(idx) + ' ')
+            self.append_cmd_text.emit(self.model.data(idx))
 
 
 class _CompletionItemDelegate(QStyledItemDelegate):