diff --git a/config/cfgroot/graphs.pl b/config/cfgroot/graphs.pl
index e4789e16b..fff2e7cd1 100644
--- a/config/cfgroot/graphs.pl
+++ b/config/cfgroot/graphs.pl
@@ -306,12 +306,14 @@ sub updatediskgraph {
         "CDEF:writen=write,-1,*",
         "DEF:standby=$rrdlog/hddshutdown-$disk.rrd:standby:AVERAGE",
         "CDEF:st=standby,INF,*",
+        "CDEF:st=standby,-INF,*",
 				"COMMENT:".sprintf("%-25s",$Lang::tr{'caption'}),
 				"COMMENT:".sprintf("%15s",$Lang::tr{'maximal'}),
 				"COMMENT:".sprintf("%15s",$Lang::tr{'average'}),
 				"COMMENT:".sprintf("%15s",$Lang::tr{'minimal'}),
 				"COMMENT:".sprintf("%15s",$Lang::tr{'current'})."\\j",
-        "AREA:st".$color{"color20"}."A0:standby\\j",
+        "AREA:st".$color{"color20"}."A0:",
+        "AREA:st1".$color{"color20"}."A0:standby\\j",
         "AREA:read".$color{"color12"}."A0:".sprintf("%-25s",$Lang::tr{'read bytes'}),
         "GPRINT:read:MAX:%8.1lf %sBps",
         "GPRINT:read:AVERAGE:%8.1lf %sBps",