diff --git a/bridges/PixivBridge.php b/bridges/PixivBridge.php
index 2aecc478..93cfe58a 100644
--- a/bridges/PixivBridge.php
+++ b/bridges/PixivBridge.php
@@ -86,7 +86,7 @@ class PixivBridge extends BridgeAbstract {
 		switch($this->queriedContext) {
 		// Tags context
 		case '':
-			$uri = static::URI . 'tags/' . urlencode($this->getInput('tag'));
+			$uri = static::URI . 'tags/' . urlencode($this->getInput('tag') ?? '');
 			break;
 		case 'User':
 			$uri = static::URI . 'users/' . $this->getInput('userid');
diff --git a/bridges/UnsplashBridge.php b/bridges/UnsplashBridge.php
index f6fed7c8..876dfe9d 100644
--- a/bridges/UnsplashBridge.php
+++ b/bridges/UnsplashBridge.php
@@ -103,7 +103,7 @@ class UnsplashBridge extends BridgeAbstract
 
 	public function getName()
 	{
-		$filteredUser = $this->getInput('u');
+		$filteredUser = $this->getInput('u') ?? '';
 		if (strlen($filteredUser) > 0) {
 			return $filteredUser . ' - ' . self::NAME;
 		} else {