diff --git a/lib/dvb/demux.cpp b/lib/dvb/demux.cpp
index 8bdb22d6..3a37514b 100644
--- a/lib/dvb/demux.cpp
+++ b/lib/dvb/demux.cpp
@@ -101,9 +101,7 @@ RESULT eDVBDemux::setSourceFrontend(int fenum)
 	int n = DMX_SOURCE_FRONT0 + fenum;
 	int res = ::ioctl(fd, DMX_SET_SOURCE, &n);
 	if (res)
-	{
 		eDebug("[eDVBDemux] DMX_SET_SOURCE Frontend%d failed: %m", fenum);
-	}
 	else
 		source = fenum;
 	::close(fd);
@@ -142,7 +140,7 @@ RESULT eDVBDemux::createPESReader(eMainloop *context, ePtr<iDVBPESReader> &reade
 	return res;
 }
 
-RESULT eDVBDemux::createTSRecorder(ePtr<iDVBTSRecorder> &recorder, unsigned int packetsize, bool streaming)
+RESULT eDVBDemux::createTSRecorder(ePtr<iDVBTSRecorder> &recorder, int packetsize, bool streaming)
 {
 	if (m_dvr_busy)
 		return -EBUSY;
diff --git a/lib/dvb/idvb.h b/lib/dvb/idvb.h
index e5354a00..296d66d6 100644
--- a/lib/dvb/idvb.h
+++ b/lib/dvb/idvb.h
@@ -586,7 +586,7 @@ class iDVBFrontend: public iDVBFrontend_ENUMS, public iObject
 	virtual int closeFrontend(bool force = false, bool no_delayed = false)=0;
 	virtual void reopenFrontend()=0;
 #ifndef SWIG
-	virtual RESULT connectStateChange(const sigc::slot1<void,iDVBFrontend*> &stateChange, ePtr<eConnection> &connection)=0;
+	virtual RESULT connectStateChange(const sigc::slot<void(iDVBFrontend*)> &stateChange, ePtr<eConnection> &connection)=0;
 #endif
 	virtual RESULT getState(int &SWIG_OUTPUT)=0;
 	virtual RESULT setTone(int tone)=0;
@@ -664,8 +664,8 @@ class iDVBChannel: public iObject
 	{
 		evtPreStart, evtEOF, evtSOF, evtFailed, evtStopped
 	};
-	virtual RESULT connectStateChange(const sigc::slot1<void,iDVBChannel*> &stateChange, ePtr<eConnection> &connection)=0;
-	virtual RESULT connectEvent(const sigc::slot2<void,iDVBChannel*,int> &eventChange, ePtr<eConnection> &connection)=0;
+	virtual RESULT connectStateChange(const sigc::slot<void(iDVBChannel*)> &stateChange, ePtr<eConnection> &connection)=0;
+	virtual RESULT connectEvent(const sigc::slot<void(iDVBChannel*,int)> &eventChange, ePtr<eConnection> &connection)=0;
 
 		/* demux capabilities */
 	enum
@@ -716,12 +716,12 @@ class eCueSheet: public iObject, public sigc::trackable
 
 			/* backend */
 	enum { evtSeek, evtSkipmode, evtSpanChanged };
-	RESULT connectEvent(const sigc::slot1<void, int> &event, ePtr<eConnection> &connection);
+	RESULT connectEvent(const sigc::slot<void(int)> &event, ePtr<eConnection> &connection);
 
 	std::list<std::pair<pts_t,pts_t> > m_spans;	/* begin, end */
 	std::list<std::pair<int, pts_t> > m_seek_requests; /* relative, delta */
 	pts_t m_skipmode_ratio;
-	sigc::signal1<void,int> m_event;
+	sigc::signal<void(int)> m_event;
 	ePtr<iDVBDemux> m_decoding_demux;
 	ePtr<iTSMPEGDecoder> m_decoder;
 };
@@ -854,7 +854,7 @@ class iTSMPEGDecoder: public iObject
 		unsigned short gamma;
 	};
 
-	virtual RESULT connectVideoEvent(const sigc::slot1<void, struct videoEvent> &event, ePtr<eConnection> &connection) = 0;
+	virtual RESULT connectVideoEvent(const sigc::slot<void(struct videoEvent)> &event, ePtr<eConnection> &connection) = 0;
 
 	virtual int getVideoWidth() = 0;
 	virtual int getVideoHeight() = 0;