diff --git a/ssd1309.py b/ssd1309.py
index 4fd2c62..4826fa4 100644
--- a/ssd1309.py
+++ b/ssd1309.py
@@ -540,7 +540,7 @@ def draw_text8x8(self, x, y, text):
             text (string): Text to draw.
         """
         # Confirm coordinates in boundary
-        if self.is_off_grid(x, y, x + 8, y + 8):
+        if self.is_off_grid(x, y, x + 7, y + 7):
             return
         self.monoFB.text(text, x, y)