diff --git a/tun/wintun/registryhacks_windows.go b/tun/wintun/registryhacks_windows.go
index 62a629a..bbcc020 100644
--- a/tun/wintun/registryhacks_windows.go
+++ b/tun/wintun/registryhacks_windows.go
@@ -11,8 +11,8 @@ import (
 )
 
 const (
-	numRetries = 25
-	retryTimeout = 100 * time.Millisecond
+	numRetries = 100
+	retryTimeout = 150 * time.Millisecond
 )
 
 func registryOpenKeyRetry(k registry.Key, path string, access uint32) (key registry.Key, err error) {