diff --git a/openvpn/start.sh b/openvpn/start.sh
index 0fd42ea..1a77636 100755
--- a/openvpn/start.sh
+++ b/openvpn/start.sh
@@ -50,13 +50,12 @@ if [[ $VPN_ENABLED == "yes" ]]; then
 
 		echo "${VPN_USERNAME}" > /config/openvpn/credentials.conf
 		echo "${VPN_PASSWORD}" >> /config/openvpn/credentials.conf
-	
-		# Get line number of auth-user-pass
-		LINE_NUM=$(grep -Fn -m 1 'auth-user-pass' ${VPN_CONFIG} | cut -d: -f 1)
 
 		# Replace line with one that points to credentials.conf
-		auth_cred_exist=$(cat ${VPN_CONFIG} | grep -m 1 'auth-user-pass credentials.conf')
-		if [[ -z "${auth_cred_exist}" ]]; then
+		auth_cred_exist=$(cat ${VPN_CONFIG} | grep -m 1 'auth-user-pass')
+		if [[ ! -z "${auth_cred_exist}" ]]; then
+			# Get line number of auth-user-pass
+			LINE_NUM=$(grep -Fn -m 1 'auth-user-pass' ${VPN_CONFIG} | cut -d: -f 1)
 			sed -i "${LINE_NUM}s/^/auth-user-pass credentials.conf\n/" ${VPN_CONFIG}
 		fi
 	fi