diff --git a/pkg/morph/client/client.go b/pkg/morph/client/client.go
index 847e7ebe..ef81c017 100644
--- a/pkg/morph/client/client.go
+++ b/pkg/morph/client/client.go
@@ -487,15 +487,8 @@ func toStackParameter(value interface{}) (sc.Parameter, error) {
 
 		return toStackParameter(arr)
 	case bool:
-		// FIXME: #1141 there are some problems with BoolType in neo-go,
-		//  so we use compatible type
-		result.Type = sc.IntegerType
-
-		if v {
-			result.Value = int64(1)
-		} else {
-			result.Value = int64(0)
-		}
+		result.Type = sc.BoolType
+		result.Value = v
 	default:
 		return result, wrapNeoFSError(fmt.Errorf("chain/client: unsupported parameter %v", value))
 	}
diff --git a/pkg/morph/client/client_test.go b/pkg/morph/client/client_test.go
index ab26f9c7..5239ffa1 100644
--- a/pkg/morph/client/client_test.go
+++ b/pkg/morph/client/client_test.go
@@ -34,13 +34,11 @@ func TestToStackParameter(t *testing.T) {
 		},
 		{
 			value:   false,
-			expType: sc.IntegerType,
-			expVal:  int64(0),
+			expType: sc.BoolType,
 		},
 		{
 			value:   true,
-			expType: sc.IntegerType,
-			expVal:  int64(1),
+			expType: sc.BoolType,
 		},
 	}