diff --git a/namedpipe/namepipe_windows_test.go b/namedpipe/namepipe_windows_test.go
index f51bb0a3..e6b0c5e3 100644
--- a/namedpipe/namepipe_windows_test.go
+++ b/namedpipe/namepipe_windows_test.go
@@ -22,6 +22,14 @@ func TestParseServer(t *testing.T) {
 	err = n.ParseServer(`\\.\pipe\MSSQL$Instance\sql\query`, c)
 	assert.NoError(t, err, "ParseServer with a full pipe name")
 	assert.Equal(t, "", c.Host, "Config Host with a full pipe name")
+	data, ok := c.ProtocolParameters[n.Protocol()]
+	assert.True(t, ok, "Should have added ProtocolParameters when server is pipe name")
+	switch d := data.(type) {
+	case namedPipeData:
+		assert.Equal(t, `\\.\pipe\MSSQL$Instance\sql\query`, d.PipeName, "Pipe name in ProtocolParameters when server is pipe name")
+	default:
+		assert.Fail(t, "Incorrect protocol parameters type:", d)
+	}
 
 	c = &msdsn.Config{
 		Parameters:         make(map[string]string),
@@ -31,7 +39,7 @@ func TestParseServer(t *testing.T) {
 	assert.NoError(t, err, "ParseServer .")
 	assert.Equal(t, "localhost", c.Host, `Config Host with server == .\instance`)
 	assert.Equal(t, "instance", c.Instance, `Config Instance with server == .\instance`)
-	_, ok := c.ProtocolParameters[n.Protocol()]
+	_, ok = c.ProtocolParameters[n.Protocol()]
 	assert.Equal(t, ok, false, "Should have no namedPipeData when pipe name omitted")
 
 	c = &msdsn.Config{
@@ -42,7 +50,7 @@ func TestParseServer(t *testing.T) {
 	c.Parameters["pipe"] = `myinstance\sql\query`
 	err = n.ParseServer(`anything`, c)
 	assert.NoError(t, err, "ParseServer anything")
-	data, ok := c.ProtocolParameters[n.Protocol()]
+	data, ok = c.ProtocolParameters[n.Protocol()]
 	assert.True(t, ok, "Should have added ProtocolParameters when pipe name is provided")
 	switch d := data.(type) {
 	case namedPipeData: