diff --git a/src/main/scala/app/BasicAuthenticationFilter.scala b/src/main/scala/app/BasicAuthenticationFilter.scala
index 0b8952c..b972c19 100644
--- a/src/main/scala/app/BasicAuthenticationFilter.scala
+++ b/src/main/scala/app/BasicAuthenticationFilter.scala
@@ -46,7 +46,7 @@
     try {
       new String(new sun.misc.BASE64Decoder().decodeBuffer(header.substring(6)))
     } catch {
-      case _ => ""
+      case _: Throwable => ""
     }
   }
 }
\ No newline at end of file