diff --git a/contrib/cachetool.php b/contrib/cachetool.php
index 5e8bd3939..aa324eceb 100644
--- a/contrib/cachetool.php
+++ b/contrib/cachetool.php
@@ -72,7 +72,9 @@
         $return = [$fullOptions];
     } elseif (count($options) > 0) {
         foreach ($options as $option) {
-            $return[] = "--fcgi={$option}";
+            if ($option !== '') {
+                $return[] = "--fcgi={$option}";
+            }
         }
     }