diff --git views/handlers/project_issue_handler_filter_issue_version.inc views/handlers/project_issue_handler_filter_issue_version.inc
index b59a5c1..c934ad8 100644
--- views/handlers/project_issue_handler_filter_issue_version.inc
+++ views/handlers/project_issue_handler_filter_issue_version.inc
@@ -99,18 +99,20 @@ class project_issue_handler_filter_issue_version extends views_handler_filter_in
    * converted back into the real release nid values for the underlying query.
    */
   function query() {
-    $this->init_version_info();
-    $values = array();
-    foreach ($this->value as $key => $value) {
-      if (!empty($this->project_version_series[$value])) {
-        $values += $this->project_version_series[$value];
-      }
-      else {
-        $values[$key] = $value;
+    if (isset($this->value)) {
+      $this->init_version_info();
+      $values = array();
+      foreach ($this->value as $key => $value) {
+        if (!empty($this->project_version_series[$value])) {
+          $values += $this->project_version_series[$value];
+        }
+        else {
+          $values[$key] = $value;
+        }
       }
+      $this->value = $values;
+      parent::query();
     }
-    $this->value = $values;
-    parent::query();
   }
 
 }