diff --git a/lib/go/test/tests/client_error_test.go b/lib/go/test/tests/client_error_test.go
index 838883d..0810be6 100644
--- a/lib/go/test/tests/client_error_test.go
+++ b/lib/go/test/tests/client_error_test.go
@@ -402,7 +402,7 @@
 	thing := errortest.NewTestStruct()
 	thing.M = make(map[string]string)
 	thing.L = make([]string, 0)
-	thing.S = make(map[string]struct{})
+	thing.S = make([]string, 0)
 	thing.I = 3
 
 	err := thrift.NewTTransportException(thrift.TIMED_OUT, "test")
@@ -434,7 +434,7 @@
 	thing := errortest.NewTestStruct()
 	thing.M = make(map[string]string)
 	thing.L = make([]string, 0)
-	thing.S = make(map[string]struct{})
+	thing.S = make([]string, 0)
 	thing.I = 3
 
 	err := thrift.NewTProtocolExceptionWithType(thrift.INVALID_DATA, errors.New("test"))
diff --git a/lib/go/test/tests/thrifttest_driver.go b/lib/go/test/tests/thrifttest_driver.go
index 1e0cf86..a1e6917 100644
--- a/lib/go/test/tests/thrifttest_driver.go
+++ b/lib/go/test/tests/thrifttest_driver.go
@@ -162,7 +162,7 @@
 		t.Fatal("TestStringMap failed")
 	}
 
-	setTestInput := map[int32]struct{}{1: {}, 2: {}, 3: {}}
+	setTestInput := []int32{1, 2, 3}
 	if r, err := client.TestSet(setTestInput); !reflect.DeepEqual(r, setTestInput) || err != nil {
 		t.Fatal("TestSet failed")
 	}
diff --git a/lib/go/test/tests/thrifttest_handler.go b/lib/go/test/tests/thrifttest_handler.go
index 822a6c7..5b76066 100644
--- a/lib/go/test/tests/thrifttest_handler.go
+++ b/lib/go/test/tests/thrifttest_handler.go
@@ -96,7 +96,7 @@
 	return thing, nil
 }
 
-func (p *ThriftTestHandler) TestSet(thing map[int32]struct{}) (r map[int32]struct{}, err error) {
+func (p *ThriftTestHandler) TestSet(thing []int32) (r []int32, err error) {
 	return thing, nil
 }