diff --git a/profiles/roaming/roaminginit.go b/profiles/roaming/roaminginit.go
index 8b9eb01..3e6de0b 100644
--- a/profiles/roaming/roaminginit.go
+++ b/profiles/roaming/roaminginit.go
@@ -57,7 +57,7 @@
 		Addrs: ipc.ListenAddrs(lf.Addrs),
 		Proxy: lf.ListenProxy,
 	}
-	reservedDispatcher := debug.NewDispatcher(vlog.Log.LogDir(), sflag.NewAuthorizerOrDie())
+	reservedDispatcher := debug.NewDispatcher(vlog.Log.LogDir, sflag.NewAuthorizerOrDie())
 
 	ac := appcycle.New()
 
diff --git a/profiles/static/staticinit.go b/profiles/static/staticinit.go
index f477d21..966b0dc 100644
--- a/profiles/static/staticinit.go
+++ b/profiles/static/staticinit.go
@@ -41,7 +41,7 @@
 		Addrs: ipc.ListenAddrs(lf.Addrs),
 		Proxy: lf.ListenProxy,
 	}
-	reservedDispatcher := debug.NewDispatcher(vlog.Log.LogDir(), sflag.NewAuthorizerOrDie())
+	reservedDispatcher := debug.NewDispatcher(vlog.Log.LogDir, sflag.NewAuthorizerOrDie())
 
 	ac := appcycle.New()
 
diff --git a/runtimes/google/ipc/debug_test.go b/runtimes/google/ipc/debug_test.go
index e1bf356..e351242 100644
--- a/runtimes/google/ipc/debug_test.go
+++ b/runtimes/google/ipc/debug_test.go
@@ -30,7 +30,7 @@
 	pclient.AddToRoots(bclient)                    // Client recognizes "server" as a root of blessings.
 	pclient.BlessingStore().Set(bclient, "server") // Client presents bclient to server
 
-	debugDisp := debug.NewDispatcher(vlog.Log.LogDir(), nil)
+	debugDisp := debug.NewDispatcher(vlog.Log.LogDir, nil)
 
 	sm := manager.InternalNew(naming.FixedRoutingID(0x555555555))
 	defer sm.Shutdown()
diff --git a/services/mgmt/debug/dispatcher.go b/services/mgmt/debug/dispatcher.go
index 205ae58..4a8d9b0 100644
--- a/services/mgmt/debug/dispatcher.go
+++ b/services/mgmt/debug/dispatcher.go
@@ -15,14 +15,14 @@
 
 // dispatcher holds the state of the debug dispatcher.
 type dispatcher struct {
-	logsDir string // The root of the logs directory.
-	auth    security.Authorizer
+	logsDirFunc func() string // The function returns the root of the logs directory.
+	auth        security.Authorizer
 }
 
 var _ ipc.Dispatcher = (*dispatcher)(nil)
 
-func NewDispatcher(logsDir string, authorizer security.Authorizer) ipc.Dispatcher {
-	return &dispatcher{logsDir, authorizer}
+func NewDispatcher(logsDirFunc func() string, authorizer security.Authorizer) ipc.Dispatcher {
+	return &dispatcher{logsDirFunc, authorizer}
 }
 
 // The first part of the names of the objects served by this dispatcher.
@@ -49,7 +49,7 @@
 	}
 	switch parts[0] {
 	case "logs":
-		return logreaderimpl.NewLogFileService(d.logsDir, suffix), d.auth, nil
+		return logreaderimpl.NewLogFileService(d.logsDirFunc(), suffix), d.auth, nil
 	case "pprof":
 		return pprofimpl.NewPProfService(), d.auth, nil
 	case "stats":
diff --git a/services/mgmt/debug/dispatcher_test.go b/services/mgmt/debug/dispatcher_test.go
index aa21ced..f6c62d6 100644
--- a/services/mgmt/debug/dispatcher_test.go
+++ b/services/mgmt/debug/dispatcher_test.go
@@ -32,7 +32,7 @@
 	if len(logsDir) == 0 {
 		return "", nil, fmt.Errorf("logs directory missing")
 	}
-	disp := NewDispatcher(logsDir, nil)
+	disp := NewDispatcher(func() string { return logsDir }, nil)
 	server, err := veyron2.NewServer(ctx)
 	if err != nil {
 		return "", nil, fmt.Errorf("failed to start debug server: %v", err)