diff --git a/Graphs/gSummaryChart.cpp b/Graphs/gSummaryChart.cpp
index 309054fc..bd5b693a 100644
--- a/Graphs/gSummaryChart.cpp
+++ b/Graphs/gSummaryChart.cpp
@@ -475,9 +475,9 @@ void SummaryChart::paint(gGraph & w,int left, int top, int width, int height)
                         py2+=j;
                         if (lastdaygood) {
                             lines->add(lastX[j],lastY[j],px,py2,m_colors[j]);
-                            lines->add(px,py2,px2,py2,col);
+                            lines->add(px,py2,px2+1,py2,col);
                         } else {
-                            lines->add(x1,py2,x2,py2,col);
+                            lines->add(x1,py2,x2+1,py2,col);
                         }
                         lastX[j]=px2;
                         lastY[j]=py2;
diff --git a/Graphs/gSummaryChart.h b/Graphs/gSummaryChart.h
index e2fe810e..cde81df2 100644
--- a/Graphs/gSummaryChart.h
+++ b/Graphs/gSummaryChart.h
@@ -71,7 +71,8 @@ class SummaryChart:public Layer
         QHash<int,EventDataType> m_hours;
         QHash<int,Day *> m_days;
 
-        GLShortBuffer *quads,*lines;
+        GLShortBuffer *quads;
+        GLShortBuffer *lines;
         bool m_empty;
         int m_fday;
         QString m_label;