Index: /trunk/FACT++/gui/FactGui.h
===================================================================
--- /trunk/FACT++/gui/FactGui.h	(revision 11354)
+++ /trunk/FACT++/gui/FactGui.h	(revision 11355)
@@ -1393,5 +1393,5 @@
         fFadBufferMax->setValue(stat.totMem/1000000);
         fFadBuffer->setMaximum(stat.totMem/100);
-        fFadBuffer->setValue(stat.maxMem/100);  // Max mem used in last second
+        fFadBuffer->setValue((stat.maxMem>stat.totMem?stat.totMem:stat.maxMem)/100);  // Max mem used in last second
 
         uint32_t sum = 0;