diff --ignore-all-space -ru typo3_src_trunk.orig/t3lib/class.t3lib_stdgraphic.php typo3_src_trunk.new/t3lib/class.t3lib_stdgraphic.php
--- typo3_src_trunk.orig/t3lib/class.t3lib_stdgraphic.php	2011-01-16 07:46:33.000000000 +0300
+++ typo3_src_trunk.new/t3lib/class.t3lib_stdgraphic.php	2011-01-16 08:15:11.000000000 +0300
@@ -2388,12 +2388,12 @@
 			// Create a md5 hash of the filename
 		$md5Hash = md5_file($imageFile);
 		preg_match('/([^\.]*)$/', $imageFile, $reg);
-		$res = $TYPO3_DB->exec_SELECTquery('md5hash, imagewidth, imageheight', 'cache_imagesizes', 'md5filename=' . $TYPO3_DB->fullQuoteStr(md5($imageFile), 'cache_imagesizes'));
+		$res = $TYPO3_DB->exec_SELECTquery('md5hash, md5filename, imagewidth, imageheight', 'cache_imagesizes', 'md5filename=' . $TYPO3_DB->fullQuoteStr(md5($imageFile), 'cache_imagesizes'));
 		if ($res) {
 			if ($row = $TYPO3_DB->sql_fetch_assoc($res)) {
 				if ($row['md5hash'] != $md5Hash) {
 						// file has changed, delete the row
-					$TYPO3_DB->exec_DELETEquery('cache_imagesizes', 'md5hash=' . $TYPO3_DB->fullQuoteStr($row['md5hash'], 'cache_imagesizes'));
+					$TYPO3_DB->exec_DELETEquery('cache_imagesizes', 'md5filename=' . $TYPO3_DB->fullQuoteStr($row['md5filename'], 'cache_imagesizes'));
 				} else {
 					return (array((int) $row['imagewidth'], (int) $row['imageheight'], strtolower($reg[0]), $imageFile));
 				}