diff --git a/plugins/apache/apache_status b/plugins/apache/apache_status
index 628a7f00..11e7f40a 100755
--- a/plugins/apache/apache_status
+++ b/plugins/apache/apache_status
@@ -223,13 +223,12 @@ END
 multigraph apache_volume
 graph_title Apache volume
 graph_args --base 1024 -l 0
-graph_vlabel bytes per \${graph_period}
+graph_vlabel KiB per \${graph_period}
 graph_category apache
 END
 
   foreach my $port (@PORTS) {
     print <<END;
-volume$port.cdef volume$port,1024,*
 volume$port.label port $port
 volume$port.type DERIVE
 volume$port.min 0