diff --git a/src/MiniSpec/expector.php b/src/MiniSpec/expector.php
index 19d7de0..6314216 100644
--- a/src/MiniSpec/expector.php
+++ b/src/MiniSpec/expector.php
@@ -21,9 +21,10 @@ public function __call($name, $arguments)
     //   throw new Exception("No expectation named ".$name);
     // }
 
-	if( array_key_exists($name, $expectations) ) {
-	    $expectations[$name]::matcher($this->subject, $arguments);
-	} else {
+    if( array_key_exists($name, $this->expectations) ) {
+        $matcher = new $this->expectations[$name];
+        $matcher->matcher($this->subject, $arguments);
+    } else {
         throw new Exception("No expectation named ".$name);
     }
   }