1 files changed, 10 insertions, 4 deletions
diff --git a/sigscript/Config.cpp b/sigscript/Config.cpp
index 6979a49f..3070f4cc 100644
--- a/sigscript/Config.cpp
+++ b/sigscript/Config.cpp
@@ -96,15 +96,21 @@ QStringList Config::values(const bool recursive) const
 void Config::setOptions(const QString& name, const Options options)
 {
     QWriteLocker locker(&m_lock);
-    m_values[name].second |= options;
-    emit(optionsChanged(name, options));
+    if (m_values.contains(name) && ((~m_values[name].second) & options))
+    {
+        m_values[name].second |= options;
+        emit(optionsChanged(name, options));
+    }
 }
 
 void Config::unsetOptions(const QString& name, const Options options)
 {
     QWriteLocker locker(&m_lock);
-    m_values[name].second |= ~options;
-    emit(optionsChanged(name, options));
+    if (m_values.contains(name) && (m_values[name].second & options))
+    {
+        m_values[name].second &= ~options;
+        emit(optionsChanged(name, options));
+    }
 }
 
 Config::Options Config::options(const QString& name, const bool recursive) const