diff --git a/scripts/install_dev.sh b/scripts/install_dev.sh
index ca0758a39..cefdb3f73 100755
--- a/scripts/install_dev.sh
+++ b/scripts/install_dev.sh
@@ -235,7 +235,7 @@ if [ $OSNAME != "macos" ];then
 	        cd /tmp/acme.sh-master
 	        bash acme.sh install
 	    else
-	    	curl  https://get.acme.sh | sh
+	    	curl -fsSL https://get.acme.sh | bash
 	    fi
 	fi
 fi