diff --git a/src/Core/AbstractTest.php b/src/Core/AbstractTest.php
index 7bed67d..983cadc 100644
--- a/src/Core/AbstractTest.php
+++ b/src/Core/AbstractTest.php
@@ -201,7 +201,7 @@ public function applyFocusPatterns($focusPattern, $skipPattern = null)
         if ($focusPattern === null) {
             $this->focused = true;
         } else {
-            $this->focused = preg_match($focusPattern, $title);
+            $this->focused = (bool) preg_match($focusPattern, $title);
         }
     }