diff --git a/sleepyhead/Graphs/gLineChart.cpp b/sleepyhead/Graphs/gLineChart.cpp
index aa4329c7..a1765366 100644
--- a/sleepyhead/Graphs/gLineChart.cpp
+++ b/sleepyhead/Graphs/gLineChart.cpp
@@ -249,6 +249,7 @@ void gLineChart::paint(QPainter &painter, gGraph &w, int left, int top, int widt
     painter.setClipping(true);
     QVector<QLine> lines;
     lines.reserve(100000);
+    painter.setRenderHint(QPainter::Antialiasing, true);
 
     for (int gi = 0; gi < m_codes.size(); gi++) {
         ChannelID code = m_codes[gi];
@@ -699,6 +700,7 @@ void gLineChart::paint(QPainter &painter, gGraph &w, int left, int top, int widt
         }
     }
     painter.setClipping(false);
+    painter.setRenderHint(QPainter::Antialiasing, false);
 }
 
 
diff --git a/sleepyhead/SleepLib/loader_plugins/icon_loader.cpp b/sleepyhead/SleepLib/loader_plugins/icon_loader.cpp
index c2f027d4..7f7f6817 100644
--- a/sleepyhead/SleepLib/loader_plugins/icon_loader.cpp
+++ b/sleepyhead/SleepLib/loader_plugins/icon_loader.cpp
@@ -832,7 +832,7 @@ bool FPIconLoader::OpenDetail(Machine *mach, QString filename, Profile *profile)
         ti = qint64(sessid) * 1000L;
         sess->really_set_first(ti);
         EventList *LK = sess->AddEventList(CPAP_LeakTotal, EVL_Event, 1);
-        EventList *PR = sess->AddEventList(CPAP_Pressure, EVL_Event, 0.1);
+        EventList *PR = sess->AddEventList(CPAP_Pressure, EVL_Event, 0.1F);
         EventList *FLG = sess->AddEventList(CPAP_FLG, EVL_Event);
         EventList *OA = sess->AddEventList(CPAP_Obstructive, EVL_Event);
         EventList *H = sess->AddEventList(CPAP_Hypopnea, EVL_Event);