diff --git a/Graphs/gSummaryChart.cpp b/Graphs/gSummaryChart.cpp
index 137a4e9e..44922130 100644
--- a/Graphs/gSummaryChart.cpp
+++ b/Graphs/gSummaryChart.cpp
@@ -163,9 +163,9 @@ void SummaryChart::paint(gGraph & w,int left, int top, int width, int height)
 
     EventDataType maxy=m_maxy;
     EventDataType miny=m_miny;
-    if (m_codes[0]=="HumidSet") {
+    /*if (m_codes[0]=="HumidSet") {
         int i=1;
-    }
+    }*/
 
     w.roundY(miny,maxy);
 
diff --git a/SleepLib/session.cpp b/SleepLib/session.cpp
index 05a1bffc..3aa078a0 100644
--- a/SleepLib/session.cpp
+++ b/SleepLib/session.cpp
@@ -729,6 +729,7 @@ EventDataType Session::wavg(ChannelID id)
     EventDataType gain=evec[0]->gain();
 
     for (int i=0;i<evec.size();i++) {
+        if (!evec[i]->count()) continue;
         lastval=evec[i]->raw(0);
         lasttime=evec[i]->time(0);
         for (int j=1;j<evec[i]->count();j++) {