Views: 
              3,975 
          
          
                Votes:  2 
          
          
          
            
            Tags: 
              
                icons  
              
                themes  
              
                gnome-terminal  
              
                titlebar  
              
                window-buttons  
              
          
          
            
              
                
                Link: 
                  🔍 See Original Answer on Ask Ubuntu ⧉ 🔗
              
            
          
        
        
          
            URL: 
              https://askubuntu.com/q/1035788
          
          
            
            Title: 
              Terminal icon in window titlebar is stretched out over window control buttons
            
          
          
            ID: 
              /2018/05/13/Terminal-icon-in-window-titlebar-is-stretched-out-over-window-control-buttons
            
          
          
            Created: 
               May 13, 2018
          
          
          
          
            
            Upload: 
              October 19, 2025
          
          
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As Ahmad Nassri points out this is an icon problem. Specifically please read this bug report carefully to confirm you are having the same problem.
If so review all the comments. Of particular interest is comment #8:
sudo apt install gnome-icon-theme # fixes
sudo apt purge gnome-icon-theme # breaks
You can keep following this 8 month old bug report by subscribing to email to find out when a permanent fix is in.