diff --git a/src/test/contracts/key_hash.mligo b/src/test/contracts/key_hash.mligo
new file mode 100644
index 000000000..830ea3496
--- /dev/null
+++ b/src/test/contracts/key_hash.mligo
@@ -0,0 +1,5 @@
+let check_hash_key (kh1, k2: key_hash * key) : bool * key_hash =
+  let kh2 : key_hash = Crypto.hash_key k2 in
+  if kh1 = kh2
+  then (true, kh2)
+  else (false, kh2)
diff --git a/src/test/integration_tests.ml b/src/test/integration_tests.ml
index 375f59423..98074e608 100644
--- a/src/test/integration_tests.ml
+++ b/src/test/integration_tests.ml
@@ -1901,6 +1901,17 @@ let key_hash () : unit result =
   let%bind () = expect_eq program "check_hash_key" make_input make_expected in
   ok ()
 
+let key_hash_mligo () : unit result =
+  let open Tezos_crypto in
+  let (raw_pkh,raw_pk,_) = Signature.generate_key () in
+  let pkh_str = Signature.Public_key_hash.to_b58check raw_pkh in
+  let pk_str = Signature.Public_key.to_b58check raw_pk in
+  let%bind program = mtype_file "./contracts/key_hash.mligo" in
+  let make_input = e_pair (e_key_hash pkh_str) (e_key pk_str) in
+  let make_expected = e_pair (e_bool true) (e_key_hash pkh_str) in
+  let%bind () = expect_eq program "check_hash_key" make_input make_expected in
+  ok ()
+
 let curry () : unit result =
   let%bind program = mtype_file "./contracts/curry.mligo" in
   let%bind () =
@@ -2035,6 +2046,7 @@ let main = test_suite "Integration (End to End)" [
     test "bytes unpack (mligo)" bytes_unpack_mligo ;
     test "bytes unpack (religo)" bytes_unpack_religo ;
     test "key hash" key_hash ;
+    test "key hash (mligo)" key_hash_mligo ;
     test "chain id" chain_id ;
     test "type alias" type_alias ;
     test "function" function_ ;