1 files changed, 1 insertions, 1 deletions

diff --git a/type/Default.class.php b/type/Default.class.php
index 26189c7..48852d4 100644
--- a/type/Default.class.php
+++ b/type/Default.class.php
@@ -39,7 +39,7 @@ class Type_Default {
                 $sources = count($this->rrd_get_sources());
                 foreach ($this->rrd_get_sources() as $ds) {
                         # hue (saturnation=1, value=1)
-                        $h = 360 - ($c * (330/($sources-1)));
+                        $h = $sources > 1 ? 360 - ($c * (330/($sources-1))) : 360;
 
                         $h = ($h %= 360) / 60;
                         $f = $h - floor($h);