diff --git a/src/aeso_compiler.erl b/src/aeso_compiler.erl
index 18f6bb3..dbcfa0c 100644
--- a/src/aeso_compiler.erl
+++ b/src/aeso_compiler.erl
@@ -111,10 +111,18 @@ from_string1(aevm, ContractString, Options) ->
            type_info => TypeInfo
           }};
 from_string1(fate, ContractString, Options) ->
-    Ast       = parse(ContractString, Options),
-    TypedAst  = aeso_ast_infer_types:infer(Ast, Options),
-    FCode     = aeso_ast_to_fcode:ast_to_fcode(TypedAst, Options),
-    {ok, aeso_fcode_to_fate:compile(FCode, Options)}.
+    Ast      = parse(ContractString, Options),
+    TypedAst = aeso_ast_infer_types:infer(Ast, Options),
+    FCode    = aeso_ast_to_fcode:ast_to_fcode(TypedAst, Options),
+    FateCode = aeso_fcode_to_fate:compile(FCode, Options),
+    ByteCode = aeb_fate_code:serialize(FateCode, []),
+    {ok, Version} = version(),
+    {ok, #{byte_code => ByteCode,
+           compiler_version => Version,
+           contract_source => ContractString,
+           type_info => [],
+           fate_code => FateCode
+          }}.
 
 -spec string_to_icode(string(), [option()]) -> map().
 string_to_icode(ContractString, Options) ->
diff --git a/test/aeso_compiler_tests.erl b/test/aeso_compiler_tests.erl
index 331e996..dfca755 100644
--- a/test/aeso_compiler_tests.erl
+++ b/test/aeso_compiler_tests.erl
@@ -23,7 +23,7 @@ simple_compile_test_() ->
                   contract_source := _,
                   type_info := _} when Backend == aevm ->
                     ?assertMatch(Code when is_binary(Code), ByteCode);
-                Code when Backend == fate, is_tuple(Code) ->
+                #{fate_code := Code} when Backend == fate ->
                     Code1 = aeb_fate_code:deserialize(aeb_fate_code:serialize(Code)),
                     ?assertMatch({X, X}, {Code1, Code});
                 ErrBin ->