1 files changed, 7 insertions, 1 deletions

diff --git a/type/Default.class.php b/type/Default.class.php
index 416a352..01718e4 100644
--- a/type/Default.class.php
+++ b/type/Default.class.php
@@ -111,7 +111,13 @@ class Type_Default {
         }
 
         function rrd_escape($value) {
-                return str_replace(':', '\:', $value);
+                if ($this->graph_type == 'canvas') {
+                        # http://oss.oetiker.ch/rrdtool/doc/rrdgraph_graph.en.html#IEscaping_the_colon
+                        return str_replace(':', '\:', $value);
+                } else {
+                        # php needs it double escaped to execute rrdtool correctly
+                        return str_replace(':', '\\\:', $value);
+                }
         }
 
         function parse_filename($file) {