From 3786dc1aae56cdb6fecbf7f6593854b5c82abd14 Mon Sep 17 00:00:00 2001
From: Jon Beniston <jon@beniston.com>
Date: Sat, 17 Sep 2022 20:33:22 +0100
Subject: [PATCH] #1417 - Fix compilation on Mac

---
 sdrbase/util/iot/visa.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sdrbase/util/iot/visa.cpp b/sdrbase/util/iot/visa.cpp
index c705df49a..1f893e9b8 100644
--- a/sdrbase/util/iot/visa.cpp
+++ b/sdrbase/util/iot/visa.cpp
@@ -263,7 +263,7 @@ void VISADevice::setState(const QString &controlId, const QString &state)
             VISAControl *control = reinterpret_cast<VISAControl *>(c);
             if (control->m_id == controlId)
             {
-                QString commands = QString::asprintf(control->m_setState.toUtf8(), state);
+                QString commands = QString::asprintf(control->m_setState.toUtf8(), state.toUtf8().data());
                 bool error;
                 m_visa.processCommands(m_session, commands, &error);
                 if (error) {