Index: t3lib/class.t3lib_spritemanager.php
===================================================================
--- t3lib/class.t3lib_spritemanager.php	(revision 8103)
+++ t3lib/class.t3lib_spritemanager.php	(working copy)
@@ -195,9 +195,9 @@
 	 */
 	public static function addTcaTypeIcon($table, $type, $iconFile) {
 		$GLOBALS['TBE_STYLES']['spritemanager']['singleIcons']['tcarecords-' . $table . '-' . $type] = $iconFile;
-		if(isset($GLOBALS['TCA'][$table]['typeicon_classes'])) {
-			$GLOBALS['TCA'][$table]['typeicon_classes'][$type] = 'tcarecords-' . $table . '-' . $type;
-		} 
+		if (is_array($GLOBALS['TCA'][$table]['ctrl']['typeicon_classes'])) {
+			$GLOBALS['TCA'][$table]['ctrl']['typeicon_classes'][$type] = 'tcarecords-' . $table . '-' . $type;
+		}
 	}
 }
 
Index: t3lib/spritemanager/class.t3lib_spritemanager_simplehandler.php
===================================================================
--- t3lib/spritemanager/class.t3lib_spritemanager_simplehandler.php	(revision 8103)
+++ t3lib/spritemanager/class.t3lib_spritemanager_simplehandler.php	(working copy)
@@ -121,7 +121,9 @@
 		$iconPath = '../../' . TYPO3_mainDir;
 
 		foreach((array) $GLOBALS['TBE_STYLES']['spritemanager']['singleIcons'] as $iconName => $iconFile) {
-			$css = str_replace('###NAME###', str_replace('extensions-', '', $iconName), $this->styleSheetTemplateExtIcons);
+			$css = str_replace('###NAME###', str_replace(
+				array('extensions-', 'tcarecords-'), array('', ''), $iconName
+			), $this->styleSheetTemplateExtIcons);
 			$css = str_replace('###IMAGE###', t3lib_div::resolveBackPath($iconPath . $iconFile), $css);
 
 			$this->iconNames[] = $iconName;