diff --git a/utils.py b/utils.py
index 2ce17a7..7ff118f 100644
--- a/utils.py
+++ b/utils.py
@@ -12,6 +12,11 @@ class Utils:
         self.home_path = str(Path.home())
 
     def bstring_to_oz(self, data):  # convert binary data to a string of ones and zeros (oz)
-        oz_string = " ".join([format(byte, "08b") for byte in data])
+        oz_bytes = []
+
+        for byte in data:
+            oz_bytes.append(format(byte, "08b"))
+
+        oz_string = " ".join(oz_bytes)
 
         return oz_string