diff --git a/ess/TraceWin.py b/ess/TraceWin.py
index d0b6501f5dbb293b0b0d0e949defd10032c31dc5..f9c913d8492eae983d963fae771351c215c76385 100644
--- a/ess/TraceWin.py
+++ b/ess/TraceWin.py
@@ -625,6 +625,10 @@ class density_file:
         self._max = numpy.zeros((counter, 7))
         self._min = numpy.zeros((counter, 7))
 
+        if self.version >= 11:
+            self.phaseF = numpy.zeros((counter))
+            self.phaseG = numpy.zeros((counter))
+
         if self.version >= 10:
             self.maxR = numpy.zeros((counter, 7))
             self.minR = numpy.zeros((counter, 7))
@@ -714,6 +718,8 @@ class density_file:
             numpy.fromfile(self.fin, dtype=numpy.int16, count=12352 // 2)
         elif self.version == 10:
             numpy.fromfile(self.fin, dtype=numpy.int16, count=12408 // 2)
+        elif self.version == 11:
+            numpy.fromfile(self.fin, dtype=numpy.int16, count=12416 // 2)
         else:
             raise TypeError("It is not possible to read this format..")
 
@@ -737,7 +743,8 @@ class density_file:
         # self._getHeader()
         # no need to read the header again:
         # (though only if we are SURE about content!)
-        numpy.fromfile(self.fin, dtype=numpy.int16, count=5)
+        ver,year,vlong  = numpy.fromfile(self.fin, dtype=numpy.int16, count=3)
+        Nrun = numpy.fromfile(self.fin, dtype=numpy.int32, count=1)[0]
 
         self.nelp[self.i] = numpy.fromfile(self.fin, dtype=numpy.int32, count=1)[0]
         self.ib[self.i] = numpy.fromfile(self.fin, dtype=numpy.float32, count=1)[0]
@@ -758,6 +765,10 @@ class density_file:
         self._max[self.i] = numpy.fromfile(self.fin, dtype=numpy.float32, count=n)[:]
         self._min[self.i] = numpy.fromfile(self.fin, dtype=numpy.float32, count=n)[:]
 
+        if self.version >= 11:
+            self.phaseF[self.i] = numpy.fromfile(self.fin, dtype=numpy.float32, count=1)[0]
+            self.phaseG[self.i] = numpy.fromfile(self.fin, dtype=numpy.float32, count=1)[0]
+
         if self.version >= 10:
             self.maxR[self.i] = numpy.fromfile(self.fin, dtype=numpy.float32, count=n)[:]
             self.minR[self.i] = numpy.fromfile(self.fin, dtype=numpy.float32, count=n)[:]