diff --git a/ffmpeglauncher.cpp b/ffmpeglauncher.cpp
index 866bf74..2f7454a 100644
--- a/ffmpeglauncher.cpp
+++ b/ffmpeglauncher.cpp
@@ -10,8 +10,7 @@
 #include <iostream>
 
 using namespace std;
-using namespace IoUtilities;
-using namespace ConversionUtilities;
+using namespace CppUtilities;
 
 namespace DBusSoundRecorder {
 
@@ -53,7 +52,15 @@ FfmpegLauncher::FfmpegLauncher(PlayerWatcher &watcher, QObject *parent)
     connect(&watcher, &PlayerWatcher::nextSong, this, &FfmpegLauncher::nextSong);
     connect(&watcher, &PlayerWatcher::playbackStopped, this, &FfmpegLauncher::stopFfmpeg);
     connect(m_ffmpeg, &QProcess::started, this, &FfmpegLauncher::ffmpegStarted);
-    connect(m_ffmpeg, static_cast<void (QProcess::*)(QProcess::ProcessError)>(&QProcess::error), this, &FfmpegLauncher::ffmpegError);
+    connect(m_ffmpeg,
+#if QT_DEPRECATED_SINCE(5,6)
+            static_cast<void (QProcess::*)(QProcess::ProcessError)>(
+#endif
+                &QProcess::error
+#if QT_DEPRECATED_SINCE(5,6)
+                )
+#endif
+            , this, &FfmpegLauncher::ffmpegError);
     connect(m_ffmpeg, static_cast<void (QProcess::*)(int)>(&QProcess::finished), this, &FfmpegLauncher::ffmpegFinished);
     m_ffmpeg->setProgram(QStringLiteral("ffmpeg"));
     m_ffmpeg->setProcessChannelMode(QProcess::ForwardedChannels);
diff --git a/main.cpp b/main.cpp
index 0f98bf6..91de9d8 100644
--- a/main.cpp
+++ b/main.cpp
@@ -11,7 +11,7 @@
 #include <iostream>
 
 using namespace std;
-using namespace ApplicationUtilities;
+using namespace CppUtilities;
 using namespace DBusSoundRecorder;
 
 int main(int argc, char *argv[])
@@ -55,7 +55,7 @@ int main(int argc, char *argv[])
         { &applicationArg, &sinkArg, &ffmpegInputOptions, &targetDirArg, &targetExtArg, &ignorePlaybackStatusArg, &ffmpegBinArg, &ffmpegOptions });
     parser.setMainArguments({ &helpArg, &recordArg });
     // parse command line arguments
-    parser.parseArgsOrExit(argc, argv);
+    parser.parseArgs(argc, argv);
     try {
         if (recordArg.isPresent()) {
             // start watching/recording
diff --git a/playerwatcher.cpp b/playerwatcher.cpp
index a9aeb8d..6b76d3b 100644
--- a/playerwatcher.cpp
+++ b/playerwatcher.cpp
@@ -9,7 +9,7 @@
 #include <iostream>
 
 using namespace std;
-using namespace ChronoUtilities;
+using namespace CppUtilities;
 
 namespace DBusSoundRecorder {
 
diff --git a/playerwatcher.h b/playerwatcher.h
index a5a358f..d255895 100644
--- a/playerwatcher.h
+++ b/playerwatcher.h
@@ -32,7 +32,7 @@ public:
     const QString &genre() const;
     unsigned int trackNumber() const;
     unsigned int diskNumber() const;
-    ChronoUtilities::TimeSpan length() const;
+    CppUtilities::TimeSpan length() const;
     void setSilent(bool silent);
 
 signals:
@@ -62,7 +62,7 @@ private:
     QString m_genre;
     unsigned int m_trackNumber;
     unsigned int m_diskNumber;
-    ChronoUtilities::TimeSpan m_length;
+    CppUtilities::TimeSpan m_length;
     bool m_silent;
     bool m_ignorePlaybackStatus;
 };
@@ -117,7 +117,7 @@ inline unsigned int PlayerWatcher::diskNumber() const
     return m_diskNumber;
 }
 
-inline ChronoUtilities::TimeSpan PlayerWatcher::length() const
+inline CppUtilities::TimeSpan PlayerWatcher::length() const
 {
     return m_length;
 }