From a5d519bc821bbebd6fa8017cc46e26c8b0485f48 Mon Sep 17 00:00:00 2001
From: Jon Beniston <jon@beniston.com>
Date: Sun, 19 Apr 2026 10:31:51 +0100
Subject: [PATCH] Free speech engine in destructor.

---
 plugins/feature/freqdisplay/freqdisplaygui.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/plugins/feature/freqdisplay/freqdisplaygui.cpp b/plugins/feature/freqdisplay/freqdisplaygui.cpp
index c640fe778..f59c00162 100644
--- a/plugins/feature/freqdisplay/freqdisplaygui.cpp
+++ b/plugins/feature/freqdisplay/freqdisplaygui.cpp
@@ -133,6 +133,14 @@ FreqDisplayGUI::FreqDisplayGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISet,
 
 FreqDisplayGUI::~FreqDisplayGUI()
 {
+#ifdef QT_TEXTTOSPEECH_FOUND
+    if (m_speech)
+    {
+        disconnect(m_speech, &QTextToSpeech::stateChanged, this, &FreqDisplayGUI::speechStateChanged);
+        delete m_speech;
+        m_speech = nullptr;
+    }
+#endif
     delete ui;
 }