diff --git a/spec/PUGX/Poser/Calculator/GDTextSizeCalculatorSpec.php b/spec/PUGX/Poser/Calculator/GDTextSizeCalculatorSpec.php
index 0864008..64e1127 100644
--- a/spec/PUGX/Poser/Calculator/GDTextSizeCalculatorSpec.php
+++ b/spec/PUGX/Poser/Calculator/GDTextSizeCalculatorSpec.php
@@ -8,8 +8,8 @@ class GDTextSizeCalculatorSpec extends ObjectBehavior
 {
     public function it_should_compute_text_width(): void
     {
-        $this->calculateWidth('MIT', 8)->shouldBeLike(24);
-        $this->calculateWidth('MIT', 10)->shouldBeLike(29);
-        $this->calculateWidth('MIT', 14)->shouldBeLike(34);
+        $this->calculateWidth('MIT', 8)->shouldBeLike(24.0);
+        $this->calculateWidth('MIT', 10)->shouldBeLike(29.0);
+        $this->calculateWidth('MIT', 14)->shouldBeLike(34.0);
     }
 }