diff --git a/channels.c b/channels.c
--- a/channels.c
+++ b/channels.c
@@ -574,7 +574,7 @@ void cChannel::SetLinkChannels(cLinkChannels *LinkChannels)
      }
   else
      q += sprintf(q, " none");
-  dsyslog(buffer);
+  dsyslog("%s", buffer);
 }
 
 void cChannel::SetRefChannel(cChannel *RefChannel)
diff --git a/device.c b/device.c
--- a/device.c
+++ b/device.c
@@ -529,7 +529,7 @@ eVideoSystem cDevice::GetVideoSystem(void)
   return vsPAL;
 }
 
-//#define PRINTPIDS(s) { char b[500]; char *q = b; q += sprintf(q, "%d %s ", CardIndex(), s); for (int i = 0; i < MAXPIDHANDLES; i++) q += sprintf(q, " %s%4d %d", i == ptOther ? "* " : "", pidHandles[i].pid, pidHandles[i].used); dsyslog(b); }
+//#define PRINTPIDS(s) { char b[500]; char *q = b; q += sprintf(q, "%d %s ", CardIndex(), s); for (int i = 0; i < MAXPIDHANDLES; i++) q += sprintf(q, " %s%4d %d", i == ptOther ? "* " : "", pidHandles[i].pid, pidHandles[i].used); dsyslog("%s", b); }
 #define PRINTPIDS(s)
 
 bool cDevice::HasPid(int Pid) const
diff --git a/pat.c b/pat.c
--- a/pat.c
+++ b/pat.c
@@ -144,7 +144,7 @@ void cCaDescriptors::AddCaDescriptor(SI::CaDescriptor *d, bool Stream)
   q += sprintf(q, "CAM: %04X %5d %5d %04X %d -", source, transponder, serviceId, d->getCaType(), Stream);
   for (int i = 0; i < nca->Length(); i++)
       q += sprintf(q, " %02X", nca->Data()[i]);
-  dsyslog(buffer);
+  dsyslog("%s", buffer);
 #endif
 }
 
diff --git a/receiver.c b/receiver.c
--- a/receiver.c
+++ b/receiver.c
@@ -40,7 +40,7 @@ cReceiver::~cReceiver()
 {
   if (device) {
      const char *msg = "ERROR: cReceiver has not been detached yet! This is a design fault and VDR will segfault now!";
-     esyslog(msg);
+     esyslog("%s", msg);
      fprintf(stderr, "%s\n", msg);
      *(char *)0 = 0; // cause a segfault
      }