diff --git a/src/main/scala/spray/revolver/DebugSettings.scala b/src/main/scala/spray/revolver/DebugSettings.scala
index 77a372a..ad927c7 100644
--- a/src/main/scala/spray/revolver/DebugSettings.scala
+++ b/src/main/scala/spray/revolver/DebugSettings.scala
@@ -2,7 +2,7 @@ package spray.revolver
 
 case class DebugSettings(port: Int = 5005, suspend: Boolean = false) {
   def toCmdLineArg: String =
-    "-agentlib:jdwp=transport=dt_socket,server=y,suspend=%s,address=%d".format(b2str(suspend), port)
+    "-agentlib:jdwp=transport=dt_socket,server=y,suspend=%s,address=*:%d".format(b2str(suspend), port)
 
   private def b2str(b: Boolean) = if (b) "y" else "n"
 }