diff --git a/manticore/ethereum.py b/manticore/ethereum.py
index cf2c9e7..7e3a6c3 100644
--- a/manticore/ethereum.py
+++ b/manticore/ethereum.py
@@ -376,6 +376,9 @@ class ABI(object):
             dyn_offset = 4 + get_uint(256,offset)
             size = get_uint(256, dyn_offset)
             return data[dyn_offset+32:dyn_offset+32+size], offset+4
+        elif ty.startswith('bytes') and 0 <= int(ty[5:]) <= 32:
+            size = int(ty[5:])
+            return data[offset:offset+size], offset+32
         else:
             raise NotImplementedError(ty)