diff --git a/scripts/install b/scripts/install
index c820d91..896152e 100755
--- a/scripts/install
+++ b/scripts/install
@@ -94,7 +94,7 @@ cp -R ../sources/* $final_path/
 #=================================================
 
 pushd "$final_path"
-	openssl req -newkey rsa:2048 -nodes -keyout data/key.pem -x509 -days 365 -out data/cert.pem \
+	ynh_exec_warn_less openssl req -newkey rsa:2048 -nodes -keyout data/key.pem -x509 -days 365 -out data/cert.pem \
 	-subj "/C=/ST=/L=/O=/OU=/CN=/emailAddress="
 	#chown root:ssl-cert data/{key.pem,cert.pem}
     chmod 640 data/{key.pem,cert.pem}