diff --git a/src/Controller/ImageController.php b/src/Controller/ImageController.php
index 9149c3d92..9d76de90e 100644
--- a/src/Controller/ImageController.php
+++ b/src/Controller/ImageController.php
@@ -83,7 +83,6 @@ private function saveAsFile(string $paramString, string $filename): void
         }
 
         $filesystem = new Filesystem();
-
         $filePath = sprintf('%s%s%s%s%s', $this->getPath('thumbs'), DIRECTORY_SEPARATOR, $paramString, DIRECTORY_SEPARATOR, $filename);
         $folderMode = $this->config->get('general/filepermissions/folders', 0775);
         $fileMode = $this->config->get('general/filepermissions/files', 0664);
@@ -141,6 +140,7 @@ private function parseParameters(string $paramString): void
         $this->parameters = [
             'w' => is_numeric($raw[0]) ? (int) $raw[0] : 400,
             'h' => ! empty($raw[1]) && is_numeric($raw[1]) ? (int) $raw[1] : 300,
+            'fit' => ! empty($raw[2]) ? $this->parseFit($raw[2]) : 'default',
         ];
 
         foreach ($raw as $rawParameter) {
@@ -148,7 +148,7 @@ private function parseParameters(string $paramString): void
                 [$key, $value] = explode('=', $rawParameter);
 
                 // @todo Add more thumbnailing options here, perhaps.
-                if (in_array($key, $this->thumbnailOptions, true)) {
+                if (in_array($key, $this->thumbnailOptions, true) && ! in_array($key, $this->parameters, true)) {
                     $this->parameters[$key] = $value;
                 }
             }
@@ -170,4 +170,28 @@ private function isImage(string $filename): bool
 
         return array_key_exists('extension', $pathinfo) && in_array($pathinfo['extension'], $imageExtensions, true);
     }
+
+    public function parseFit(string $fit): string
+    {
+        switch ($fit) {
+            case 'n':
+            case 'contain':
+            case 'default':
+                return 'contain';
+            case 'm':
+            case 'max':
+                return 'max';
+            case 'f':
+            case 'fill':
+                return 'fill';
+            case 's':
+            case 'stretch':
+                return 'stretch';
+            case 'c':
+            case 'crop':
+                return 'crop';
+            default:
+                return $fit;
+        }
+    }
 }
diff --git a/src/Utils/ThumbnailHelper.php b/src/Utils/ThumbnailHelper.php
index 2e1264b92..b0e90967a 100644
--- a/src/Utils/ThumbnailHelper.php
+++ b/src/Utils/ThumbnailHelper.php
@@ -29,7 +29,7 @@ public function parameters(?int $width = null, ?int $height = null, ?string $loc
         $paramString = sprintf('%s×%s', $width, $height);
 
         if ($fit) {
-            $paramString .= '×fit=' . $fit;
+            $paramString .= '×' . $fit;
         }
 
         if ($location && $location !== 'files') {