diff --git a/mod/photos.php b/mod/photos.php
index 6cfdd6a998..b4ffb756c1 100644
--- a/mod/photos.php
+++ b/mod/photos.php
@@ -204,7 +204,7 @@ function photos_post(App $a)
 		}
 
 		// RENAME photo album
-		$newalbum = trim($_POST['albumname']);
+		$newalbum = trim($_POST['albumname'] ?? '');
 		if ($newalbum != $album) {
 			Photo::update(['album' => $newalbum], ['album' => $album, 'uid' => $page_owner_uid]);
 			// Update the photo albums cache
diff --git a/mod/tagger.php b/mod/tagger.php
index 4afe6efb67..d55e34f78b 100644
--- a/mod/tagger.php
+++ b/mod/tagger.php
@@ -41,7 +41,7 @@ function tagger_content(App $a) {
 		return;
 	}
 
-	$term = trim($_GET['term']);
+	$term = trim($_GET['term'] ?? '');
 	// no commas allowed
 	$term = str_replace([',',' ', '<', '>'],['','_', '', ''], $term);