diff --git a/manticore/wasm/structure.py b/manticore/wasm/structure.py
index 129d0eebd..0488524b8 100644
--- a/manticore/wasm/structure.py
+++ b/manticore/wasm/structure.py
@@ -348,7 +348,7 @@ def load(cls, filename: str):
         :param filename: name of the WASM module
         :return: Module
         """
-        type_map = {-16: types.FunctionType, -4: F64, -3: F32, -2: I64, -1: I32}
+        type_map = {-16: FunctionType, -4: F64, -3: F32, -2: I64, -1: I32}
 
         m: Module = cls()
         with open(filename, "rb") as wasm_file: