diff --git a/sleepyhead/Graphs/gGraph.cpp b/sleepyhead/Graphs/gGraph.cpp
index 05203ef3..3e981cac 100644
--- a/sleepyhead/Graphs/gGraph.cpp
+++ b/sleepyhead/Graphs/gGraph.cpp
@@ -160,6 +160,8 @@ gGraph::gGraph(QString name, gGraphView *graphview, QString title, QString units
     invalidate_yAxisImage = true;
     invalidate_xAxisImage = true;
 
+    m_block_select = false;
+
     m_enforceMinY = m_enforceMaxY = false;
     m_showTitle = true;
     m_printing = false;
diff --git a/sleepyhead/Graphs/gGraph.h b/sleepyhead/Graphs/gGraph.h
index 188b1995..a46e5d91 100644
--- a/sleepyhead/Graphs/gGraph.h
+++ b/sleepyhead/Graphs/gGraph.h
@@ -303,6 +303,9 @@ class gGraph : public QObject
     inline qint64 selectedDuration() const { return m_selectedDuration; }
     inline QString selDurString() const { return m_selDurString; }
 
+    inline bool blockSelect() const { return m_block_select; }
+    void setBlockSelect(bool b) { m_block_select = b; }
+
   protected:
     //! \brief Mouse Wheel events
     virtual void wheelEvent(QWheelEvent *event);
@@ -362,6 +365,7 @@ class gGraph : public QObject
     bool m_printing;
     bool m_pinned;
     short m_zoomY;
+    bool m_block_select;
     QRect m_rect;
 
     qint64 m_selectedDuration;
diff --git a/sleepyhead/Graphs/gGraphView.cpp b/sleepyhead/Graphs/gGraphView.cpp
index 9850091c..02a3e80d 100644
--- a/sleepyhead/Graphs/gGraphView.cpp
+++ b/sleepyhead/Graphs/gGraphView.cpp
@@ -1508,9 +1508,9 @@ void gGraphView::mousePressEvent(QMouseEvent *event)
                     m_sizer_point.setX(x);
                     m_sizer_point.setY(py); // point at top of graph..
                     this->setCursor(Qt::ClosedHandCursor);
-                } else
+                } else if (!g->blockSelect()) {
+
 
-                {
                     if (m_metaselect) {
                         if (m_selected_graph) {
                             m_selected_graph->m_selecting_area = false;
@@ -1575,10 +1575,8 @@ void gGraphView::mousePressEvent(QMouseEvent *event)
                         m_sizer_point.setX(x);
                         m_sizer_point.setY(py); // point at top of graph..
                         this->setCursor(Qt::ClosedHandCursor);
-                    }
-
-                    {
-                        if (m_metaselect) {
+                    } else if (!g->blockSelect()) {
+                       if (m_metaselect) {
                             if (m_selected_graph) {
                                 m_selected_graph->m_selecting_area = false;
                             }
diff --git a/sleepyhead/daily.cpp b/sleepyhead/daily.cpp
index 7be4e236..01379c48 100644
--- a/sleepyhead/daily.cpp
+++ b/sleepyhead/daily.cpp
@@ -342,6 +342,7 @@ Daily::Daily(QWidget *parent,gGraphView * shared)
     graphlist[STR_GRAPH_TAP] = TAP2 = new gGraph(STR_GRAPH_TAP, GraphView, QObject::tr("Time @ Pressure"), QObject::tr("Time at Pressure"), default_height);
     TAP2->AddLayer(new gFlagsLabelArea(nullptr),LayerLeft,gYAxis::Margin);
     TAP2->AddLayer(AddCPAP(new MinutesAtPressure()));
+    TAP2->setBlockSelect(true);
 
     if (p_profile->general->calculateRDI()) {
         AHI->AddLayer(AddCPAP(new gLineChart(CPAP_RDI, COLOR_RDI, square)));