diff --git a/bitutilities.py b/bitutilities.py
index fdcfeb6..c62c538 100644
--- a/bitutilities.py
+++ b/bitutilities.py
@@ -115,9 +115,14 @@ def align_registers(first_register: BasicRegister, second_register: BasicRegiste
     first_size = len(first_register)
     second_size = len(second_register)
 
-    required_size = max(first_size, second_size)
+def align_registers(*args: BasicRegister) -> tuple[BasicRegister, ...]:
+    """
+    Aligns registers by the length of the bigger one.
 
-    if first_size != second_size:
-        return first_register.adjusted_by_size(required_size), second_register.adjusted_by_size(required_size)
-    else:
-        return first_register, second_register
+    :param args: Basic registers to align.
+
+    :return: Aligned registers.
+    :rtype: tuple[BasicRegister, ...]
+    """
+    required_size: int = max(map(len, args))
+    return tuple(reg.adjusted_by_size(required_size) for reg in args)