diff --git a/README.md b/README.md
index 5f3d9e6..1c77097 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 # Instructions
 
 - `pip install qrcode[pil]`
+- If using a Debian-based Linux operating systems: `sudo apt install ttf-mscorefonts-installer`
 - Execute `python generator.py`
 - Follow instructions
\ No newline at end of file
diff --git a/generator.py b/generator.py
index 5b89fa4..cd0bac5 100644
--- a/generator.py
+++ b/generator.py
@@ -158,11 +158,11 @@ def parse_objects(data):
                     font = ImageFont.truetype("Arial.ttf", 30)
 
                     # Calculate text size and position
-                    text_size = draw.textsize(c, font)
-                    if text_size[0] > img.size[0]:
+                    _, _, text_width, text_height = draw.textbbox((0, 0), c, font=font)
+                    if text_width > img.size[0]:
                         font = ImageFont.truetype("Arial.ttf", 15)
-                        text_size = draw.textsize(c, font)
-                    text_position = ((img.size[0] - text_size[0]) // 2, img.size[1] - text_size[1] - 10)
+                        _, _, text_width, text_height = draw.textbbox((0, 0), c, font=font)
+                    text_position = ((img.size[0] - text_width) // 2, img.size[1] - text_height - 10)
 
                     # Draw text on the image
                     draw.text(text_position, c, font=font, fill="black")