diff --git a/src/parser/aast/api/AASTNode.php b/src/parser/aast/api/AASTNode.php
--- a/src/parser/aast/api/AASTNode.php
+++ b/src/parser/aast/api/AASTNode.php
@@ -254,11 +254,10 @@
 
   public function getIndentation() {
     $tokens = $this->getTokens();
-    $left = head($tokens);
+    $head = head($tokens);
+    $left = $head;
 
-    while ($left &&
-           (!$left->isAnyWhitespace() ||
-            strpos($left->getValue(), "\n") === false)) {
+    while ($left && strpos($left->getValue(), "\n") === false) {
       $left = $left->getPrevToken();
     }
 
@@ -266,7 +265,17 @@
       return null;
     }
 
-    return preg_replace("/^.*\n/s", '', $left->getValue());
+    $next = $left;
+    while ($next->getTokenID() != $head->getTokenID() &&
+           !$next->isAnyWhitespace()) {
+      $next = $next->getNextToken();
+    }
+
+    if ($next->getTokenID() == $head->getTokenID()) {
+      return null;
+    }
+
+    return str_replace("\n", '', $next->getValue());
   }
 
   public function getDescription() {