diff --git a/lib/utils/temporaryphoto.php b/lib/utils/temporaryphoto.php
index 74348228..38876e4e 100644
--- a/lib/utils/temporaryphoto.php
+++ b/lib/utils/temporaryphoto.php
@@ -24,6 +24,8 @@ namespace OCA\Contacts\Utils;
 
 /**
  * This class is used for getting a temporary contact photo for cropping.
+ *
+ * Sub-classes must override __construct() and processImage()
  */
 class TemporaryPhoto {
 
diff --git a/lib/utils/temporaryphoto/contact.php b/lib/utils/temporaryphoto/contact.php
index 42fb7e9b..3e744221 100644
--- a/lib/utils/temporaryphoto/contact.php
+++ b/lib/utils/temporaryphoto/contact.php
@@ -23,12 +23,12 @@
 namespace OCA\Contacts\Utils\TemporaryPhoto;
 
 use OCA\Contacts\Contact as ContactObject,
-	OCA\Contacts\Utils\TemporaryPhoto as AbstractTemporaryPhoto;
+	OCA\Contacts\Utils\TemporaryPhoto as BaseTemporaryPhoto;
 
 /**
  * This class loads the PHOTO or LOGO property from a contact.
  */
-class Contact extends AbstractTemporaryPhoto {
+class Contact extends BaseTemporaryPhoto {
 
 	/**
 	 * The Contact object to load the image from
diff --git a/lib/utils/temporaryphoto/filesystem.php b/lib/utils/temporaryphoto/filesystem.php
index 3e6aa937..a717379c 100644
--- a/lib/utils/temporaryphoto/filesystem.php
+++ b/lib/utils/temporaryphoto/filesystem.php
@@ -23,12 +23,13 @@
 namespace OCA\Contacts\Utils\TemporaryPhoto;
 
 use OCA\Contacts\Contact as ContactObject,
-	OCA\Contacts\Utils\TemporaryPhoto as AbstractTemporaryPhoto;
+	OCA\Contacts\Utils\TemporaryPhoto as BaseTemporaryPhoto,
+	OCP\AppFramework\Http;
 
 /**
  * This class loads an image from the virtual file system.
  */
-class FileSystem extends AbstractTemporaryPhoto {
+class FileSystem extends BaseTemporaryPhoto {
 
 	/**
 	 * The virtual file system path to load the image from
@@ -54,10 +55,17 @@ class FileSystem extends AbstractTemporaryPhoto {
 	 * Load the image.
 	 */
 	protected function processImage() {
-		$localpath = \OC\Files\Filesystem::getLocalFile($this->path);
+		$localPath = \OC\Files\Filesystem::getLocalFile($this->path);
+
+		if (!file_exists($localPath)) {
+			throw new \Exception(
+				'The file does not exist: ' . $localPath,
+				Http::STATUS_NOT_FOUND
+			);
+		}
 
 		$this->image = new \OCP\Image();
-		$this->image->loadFromFile($localpath);
+		$this->image->loadFromFile($localPath);
 	}
 
 }
\ No newline at end of file
diff --git a/lib/utils/temporaryphoto/uploaded.php b/lib/utils/temporaryphoto/uploaded.php
index 7978297a..e935fcca 100644
--- a/lib/utils/temporaryphoto/uploaded.php
+++ b/lib/utils/temporaryphoto/uploaded.php
@@ -23,7 +23,7 @@
 namespace OCA\Contacts\Utils\TemporaryPhoto;
 
 use OCA\Contacts\Contact as ContactObject,
-	OCA\Contacts\Utils\TemporaryPhoto as AbstractTemporaryPhoto,
+	OCA\Contacts\Utils\TemporaryPhoto as BaseTemporaryPhoto,
 	OCP\IRequest,
 	OCP\AppFramework\Http,
 	OCP\Image;
@@ -31,7 +31,7 @@ use OCA\Contacts\Contact as ContactObject,
 /**
  * This class loads an image from the virtual file system.
  */
-class Uploaded extends AbstractTemporaryPhoto {
+class Uploaded extends BaseTemporaryPhoto {
 
 	/**
 	 * The request to read the data from