diff --git a/Mage/Yaml/Parser.php b/Mage/Yaml/Parser.php
index 4237dc5..203a825 100644
--- a/Mage/Yaml/Parser.php
+++ b/Mage/Yaml/Parser.php
@@ -313,7 +313,7 @@ class Parser
         if (null === $indentation) {
             $newIndent = $this->getCurrentLineIndentation();
 
-            $unindentedEmbedBlock = $this->isStringUnIndentedCollectionItem($this->currentLine);
+            $unindentedEmbedBlock = $this->isStringUnIndentedCollectionItem();
 
             if (!$this->isCurrentLineEmpty() && 0 === $newIndent && !$unindentedEmbedBlock) {
                 throw new ParseException('Indentation problem.', $this->getRealCurrentLineNb() + 1, $this->currentLine);
@@ -324,7 +324,7 @@ class Parser
 
         $data = array(substr($this->currentLine, $newIndent));
 
-        $isItUnindentedCollection = $this->isStringUnIndentedCollectionItem($this->currentLine);
+        $isItUnindentedCollection = $this->isStringUnIndentedCollectionItem();
 
         // Comments must not be removed inside a string block (ie. after a line ending with "|")
         $removeCommentsPattern = '~' . self::FOLDED_SCALAR_PATTERN . '$~';
@@ -337,7 +337,7 @@ class Parser
                 $removeComments = !preg_match($removeCommentsPattern, $this->currentLine);
             }
 
-            if ($isItUnindentedCollection && !$this->isStringUnIndentedCollectionItem($this->currentLine)) {
+            if ($isItUnindentedCollection && !$this->isStringUnIndentedCollectionItem()) {
                 $this->moveToPreviousLine();
                 break;
             }
@@ -636,7 +636,7 @@ class Parser
         if (
             $this->getCurrentLineIndentation() == $currentIndentation
             &&
-            $this->isStringUnIndentedCollectionItem($this->currentLine)
+            $this->isStringUnIndentedCollectionItem()
         ) {
             $ret = true;
         }