1 files changed, 2 insertions, 2 deletions

diff --git a/type/Uptime.class.php b/type/Uptime.class.php
index 04033a9..cadb8dd 100644
--- a/type/Uptime.class.php
+++ b/type/Uptime.class.php
@@ -12,8 +12,8 @@ class Type_Uptime extends Type_Default {
                 $i=0;
                 foreach ($this->tinstances as $tinstance) {
                         foreach ($this->data_sources as $ds) {
-                                $rrdgraph[] = sprintf('DEF:avg_%s=%s:%s:AVERAGE', crc32hex($sources[$i]), $this->files[$tinstance], $ds);
-                                $rrdgraph[] = sprintf('DEF:max_%s=%s:%s:MAX', crc32hex($sources[$i]), $this->files[$tinstance], $ds);
+                                $rrdgraph[] = sprintf('DEF:avg_%s="%s":%s:AVERAGE', crc32hex($sources[$i]), $this->rrd_escape($this->files[$tinstance]), $ds);
+                                $rrdgraph[] = sprintf('DEF:max_%s="%s":%s:MAX', crc32hex($sources[$i]), $this->rrd_escape($this->files[$tinstance]), $ds);
 
                                 $rrdgraph[] = sprintf('CDEF:c_avg_%s=avg_%1$s,86400,/', crc32hex($sources[$i]));
                                 $rrdgraph[] = sprintf('CDEF:c_max_%s=max_%1$s,86400,/', crc32hex($sources[$i]));