diff --git a/discovery.php b/discovery.php
index 6013b0964..b2df11ab5 100755
--- a/discovery.php
+++ b/discovery.php
@@ -12,6 +12,8 @@
  * See COPYING for more details.
  */
 
+chdir(dirname($argv[0]));
+
 include("includes/defaults.inc.php");
 include("config.php");
 include("includes/functions.php");
diff --git a/poller.php b/poller.php
index 3f3c33792..c81bc741b 100755
--- a/poller.php
+++ b/poller.php
@@ -12,6 +12,8 @@
  * See COPYING for more details.
  */
 
+chdir(dirname($argv[0]));
+
 include("includes/defaults.inc.php");
 include("config.php");
 include("includes/functions.php");