diff --git a/matrixConsole/Model/RoomMessage.m b/matrixConsole/Model/RoomMessage.m
index aa076660d..ac66c75a0 100644
--- a/matrixConsole/Model/RoomMessage.m
+++ b/matrixConsole/Model/RoomMessage.m
@@ -235,15 +235,15 @@ static NSAttributedString *messageSeparator = nil;
         if (_messageType == RoomMessageTypeText) {
             if (self.attributedTextMessage.length) {
                 // Use a TextView template to compute cell height
-                UITextView *dummyTextView = [[UITextView alloc] initWithFrame:CGRectMake(0, 0, _maxTextViewWidth, MAXFLOAT)];
-                
                 // The following code only run on the main thread
                 if([NSThread currentThread] != [NSThread mainThread]) {
                     dispatch_sync(dispatch_get_main_queue(), ^{
+                        UITextView *dummyTextView = [[UITextView alloc] initWithFrame:CGRectMake(0, 0, _maxTextViewWidth, MAXFLOAT)];
                         dummyTextView.attributedText = self.attributedTextMessage;
                         _contentSize = [dummyTextView sizeThatFits:dummyTextView.frame.size];
                     });
                 } else {
+                    UITextView *dummyTextView = [[UITextView alloc] initWithFrame:CGRectMake(0, 0, _maxTextViewWidth, MAXFLOAT)];
                     dummyTextView.attributedText = self.attributedTextMessage;
                     _contentSize = [dummyTextView sizeThatFits:dummyTextView.frame.size];
                 }