diff --git a/wire/core/ImageInspector.php b/wire/core/ImageInspector.php
index 792f467c..69570677 100644
--- a/wire/core/ImageInspector.php
+++ b/wire/core/ImageInspector.php
@@ -135,7 +135,7 @@ class ImageInspector extends WireData {
 		if(is_array($additionalInfo) && $parseAppmarker) {
 			$appmarker = array();
 			foreach($additionalInfo as $k => $v) {
-				$appmarker[$k] = substr($v, 0, strpos($v, chr(null)));
+				$appmarker[$k] = substr($v, 0, strpos($v, chr(0)));
 			}
 			$this->info['appmarker'] = $appmarker;
 			if(isset($additionalInfo['APP13'])) {
@@ -158,7 +158,7 @@ class ImageInspector extends WireData {
 	 * Check orientation (@horst)
 	 *
 	 * @param array
-	 * @return bool
+	 * @return array
 	 * @todo there is already a checkOrientation method in ImageSizerEngine - do we need both?
 	 *
 	 */
@@ -273,8 +273,6 @@ class ImageInspector extends WireData {
 	/**
 	 * parse JPEG Image and collect information into $this->info
 	 *
-	 * @return bool
-	 *
 	 */
 	protected function loadImageInfoJpg() {
 	}