diff --git a/acme.sh b/acme.sh
index 96392f5b..5c725c8a 100755
--- a/acme.sh
+++ b/acme.sh
@@ -80,8 +80,8 @@ NGINX="nginx:"
 NGINX_START="#ACME_NGINX_START"
 NGINX_END="#ACME_NGINX_END"
 
-BEGIN_CSR="-----BEGIN CERTIFICATE REQUEST-----"
-END_CSR="-----END CERTIFICATE REQUEST-----"
+BEGIN_CSR="-----BEGIN \(NEW \)\{0,1\}CERTIFICATE REQUEST-----"
+END_CSR="-----END \(NEW \)\{0,1\}CERTIFICATE REQUEST-----"
 
 BEGIN_CERT="-----BEGIN CERTIFICATE-----"
 END_CERT="-----END CERTIFICATE-----"