diff --git a/SleepLib/day.cpp b/SleepLib/day.cpp
index a48417ae..df83a214 100644
--- a/SleepLib/day.cpp
+++ b/SleepLib/day.cpp
@@ -173,6 +173,7 @@ EventDataType Day::percentile(ChannelID code,EventDataType percentile)
     EventDataType lastgain=0, gain=0;
     // First Calculate count of all events
     bool timeweight;
+
     for (s=sessions.begin();s!=sessions.end();s++) {
         if (!(*s)->enabled()) continue;
 
diff --git a/SleepLib/loader_plugins/prs1_loader.cpp b/SleepLib/loader_plugins/prs1_loader.cpp
index d504588c..d7f102ce 100644
--- a/SleepLib/loader_plugins/prs1_loader.cpp
+++ b/SleepLib/loader_plugins/prs1_loader.cpp
@@ -623,7 +623,7 @@ bool PRS1Loader::Parse002v5(qint32 sequence, quint32 timestamp, unsigned char *b
     //EventList * PRESSURE=NULL;
     //EventList * PP=NULL;
 
-    EventDataType data[10],tmp;
+    EventDataType data[10];//,tmp;
 
 
     //qint64 start=timestamp;
@@ -856,6 +856,9 @@ bool PRS1Loader::Parse002v5(qint32 sequence, quint32 timestamp, unsigned char *b
     session->settings[CPAP_IPAPHi]=session->Max(CPAP_IPAPHi);
     session->settings[CPAP_PSMax]=session->Max(CPAP_IPAPHi) - session->Min(CPAP_EPAP);
     session->settings[CPAP_PSMin]=session->Min(CPAP_IPAPLo) - session->Min(CPAP_EPAP);
+
+    session->m_valuesummary[CPAP_Pressure].clear();
+    session->m_valuesummary.erase(session->m_valuesummary.find(CPAP_Pressure));
     return true;
 
 }
@@ -1069,6 +1072,9 @@ bool PRS1Loader::Parse002(qint32 sequence, quint32 timestamp, unsigned char *buf
     session->m_cph.clear();
     session->m_lastchan.clear();
     session->m_firstchan.clear();
+    session->m_valuesummary[CPAP_Pressure].clear();
+    session->m_valuesummary.erase(session->m_valuesummary.find(CPAP_Pressure));
+
     return true;
 }
 
diff --git a/SleepLib/session.cpp b/SleepLib/session.cpp
index ac0cdf55..233b6e5e 100644
--- a/SleepLib/session.cpp
+++ b/SleepLib/session.cpp
@@ -686,9 +686,6 @@ void Session::updateCountSummary(ChannelID code)
     qint32 len,cnt;
     quint32 * tptr;
     EventStoreType * dptr, * eptr;
-    if (code==CPAP_MinuteVent) {
-        int i=5;
-    }
     for (int i=0;i<ev.value().size();i++) {
         EventList & e=*(ev.value()[i]);
         start=e.first();
@@ -701,12 +698,11 @@ void Session::updateCountSummary(ChannelID code)
         m_gain[code]=e.gain();
 
         if (e.type()==EVL_Event) {
-            lastraw=*dptr;
+            lastraw=*dptr++;
             tptr=e.rawTime();
-            lasttime=start + *tptr;
+            lasttime=start + *tptr++;
             // Event version
 
-
             for (;dptr < eptr; dptr++) {
                  time=start + *tptr++;
                  raw=*dptr;