diff --git a/lib/util/ktutil.inc b/lib/util/ktutil.inc
index c716cf8..0ec56db 100644
--- a/lib/util/ktutil.inc
+++ b/lib/util/ktutil.inc
@@ -726,6 +726,13 @@ class KTUtil {
 
     // {{{ findCommand
     function findCommand($sConfigVar, $sDefault = null) {
+        // Check for the stack command before using the user defined command
+        $result = KTUtil::checkForStackCommand($sConfigVar);
+    	if (!empty($result))
+    	{
+    		return $result;
+    	}
+
     	$oKTConfig =& KTConfig::getSingleton();
     	$sCommand = $oKTConfig->get($sConfigVar, $sDefault);
     	if (empty($sCommand)) {
@@ -738,12 +745,6 @@ class KTUtil {
     		return $sCommand . ".exe";
     	}
 
-    	$result = KTUtil::checkForStackCommand($sConfigVar);
-    	if (!empty($result))
-    	{
-    		return $result;
-    	}
-
     	$sExecSearchPath = $oKTConfig->get("KnowledgeTree/execSearchPath");
     	$sExecSearchPath .= PATH_SEPARATOR . KT_DIR . "/../common/";
     	$sExecSearchPath .= PATH_SEPARATOR . KT_DIR . "/../bin/xpdf/";