diff --git a/pyarchitecture/squire.py b/pyarchitecture/squire.py
index 74b3d57..e087b5a 100644
--- a/pyarchitecture/squire.py
+++ b/pyarchitecture/squire.py
@@ -24,9 +24,9 @@ def size_converter(byte_size: int | float) -> str:
         str:
         Converted human-readable size.
     """
-    if byte_size:
+    if byte_size > 0:
         size_name = ("B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
-        index = int(math.floor(math.log(byte_size, 1024)))
+        index = min(int(math.floor(math.log(byte_size, 1024))), len(size_name) - 1)
         return (
             f"{format_nos(round(byte_size / pow(1024, index), 2))} {size_name[index]}"
         )