diff --git a/voussoirkit/bytestring.py b/voussoirkit/bytestring.py
index cc633e5..48116e6 100644
--- a/voussoirkit/bytestring.py
+++ b/voussoirkit/bytestring.py
@@ -56,6 +56,9 @@ def bytestring(size, decimal_places=3, force_unit=None):
 
     size_unit_string = UNIT_STRINGS[divisor]
 
+    if divisor == BYTE:
+        decimal_places = 0
+
     size_string = '{number:.0{decimal_places}f} {unit}'
     size_string = size_string.format(
         decimal_places=decimal_places,