diff --git a/pathauto.inc b/pathauto.inc
index 9f98eec..5262358 100644
--- a/pathauto.inc
+++ b/pathauto.inc
@@ -355,6 +355,17 @@ function pathauto_create_alias($module, $op, $source, $data, $type = NULL, $lang
     }
   }
 
+  // Allow other modules to alter the pattern.
+  $context = array(
+    'module' => $module,
+    'op' => $op,
+    'source' => $source,
+    'data' => $data,
+    'type' => $type,
+    'language' => &$language,
+  );
+  drupal_alter('pathauto_pattern', $pattern, $context);
+
   // Replace any tokens in the pattern. Uses callback option to clean replacements. No sanitization.
   $alias = token_replace($pattern, $data, array(
     'sanitize' => FALSE,
@@ -375,15 +386,8 @@ function pathauto_create_alias($module, $op, $source, $data, $type = NULL, $lang
   $alias = pathauto_clean_alias($alias);
 
   // Allow other modules to alter the alias.
-  $context = array(
-    'module' => $module,
-    'op' => $op,
-    'source' => &$source,
-    'data' => $data,
-    'type' => $type,
-    'language' => &$language,
-    'pattern' => $pattern,
-  );
+  $context['source'] = &$source;
+  $context['pattern'] = $pattern;
   drupal_alter('pathauto_alias', $alias, $context);
 
   // If we have arrived at an empty string, discontinue.