diff --git a/src/TestCommand.php b/src/TestCommand.php
index 5e583c9..1c0823c 100644
--- a/src/TestCommand.php
+++ b/src/TestCommand.php
@@ -89,7 +89,7 @@ public function addOption(string $name, $value = null): self
         foreach ((array) $value as $item) {
             $this->cli .= " {$name}";
 
-            if ($item) {
+            if (null !== $item) {
                 $this->cli .= \sprintf('="%s"', $item);
             }
         }