diff --git a/src/Image.php b/src/Image.php
index 2b53e8b..9fab344 100644
--- a/src/Image.php
+++ b/src/Image.php
@@ -103,7 +103,7 @@ private function setLetterCase(string $string, string $fontName): string
      */
     private function prepareFontsList(): array
     {
-        $list = glob(realpath($this->imageOptions->getFontsFolder()) . DIRECTORY_SEPARATOR . '*.ttf');
+        $list = glob($this->imageOptions->getFontsFolder() . DIRECTORY_SEPARATOR . '*.ttf');
 
         if ([] === $list || false === $list) {
             throw new LogicException('The specified folder does not contain any fonts.');
diff --git a/src/ImageOptions.php b/src/ImageOptions.php
index 0e71e5b..d13d495 100644
--- a/src/ImageOptions.php
+++ b/src/ImageOptions.php
@@ -90,7 +90,7 @@ public function setFontsFolder(string|Stringable $folder): self
 
     public function getFontsFolder(): string
     {
-        return realpath($this->fontsFolder);
+        return (string) realpath($this->fontsFolder);
     }
 
     public function setFontShuffle(bool $shuffle): self