diff --git a/display.py b/display.py
index 945d58b..1d9afd2 100644
--- a/display.py
+++ b/display.py
@@ -19,5 +19,5 @@ class display:
         return self.contents[row]
     
     async def write(self, row, data, offset = 0):
-        self.contents[row - 1] = f'{self.contents[row][:offset]}{data}{self.contents[row][offset+len(data):]}'
+        self.contents[row - 1] = f'{self.contents[row - 1][:offset]}{data}{self.contents[row - 1][offset+len(data):]}'
         await self.redraw(row)
\ No newline at end of file