diff --git a/EGOTextView/EGOTextView.m b/EGOTextView/EGOTextView.m
index cb5b4ef..e4d70bb 100644
--- a/EGOTextView/EGOTextView.m
+++ b/EGOTextView/EGOTextView.m
@@ -1156,7 +1156,7 @@ - (void)setMarkedText:(NSString *)markedText selectedRange:(NSRange)selectedRang
     
     selectedNSRange = NSMakeRange(selectedRange.location + markedTextRange.location, selectedRange.length);
     
-    self.attributedString = _attributedString;
+    self.attributedString = markedText.length == 0 ? _attributedString : _mutableAttributedString;
     self.markedRange = markedTextRange;
     self.selectedRange = selectedNSRange;