diff --git a/search2/indexing/extractorCore.inc.php b/search2/indexing/extractorCore.inc.php
index 309f451..8f5aaa1 100755
--- a/search2/indexing/extractorCore.inc.php
+++ b/search2/indexing/extractorCore.inc.php
@@ -686,7 +686,7 @@ abstract class TextExtractor extends DocumentExtractor
 
 	    $config = KTConfig::getSingleton();
 		$maxTextSize = $config->get('indexer/maxTextSize', 1024 * 1024 * 10); // we'll only take 10 meg by default
-		$content = substr(file_get_contents($this->sourcefile), 0, $maxTextSize);
+		$content = file_get_contents($this->sourcefile, null, null, null, $maxTextSize);
 		if (false === $content)
 		{
 			return false;