diff --git a/easyrsa3/easyrsa b/easyrsa3/easyrsa
index 857e8ef..f881202 100755
--- a/easyrsa3/easyrsa
+++ b/easyrsa3/easyrsa
@@ -849,7 +849,7 @@ $(display_dn req "$req_in")
 
 		# If type is server and no subjectAltName was requested,
 		# add one to the extensions file
-		if [ "$crt_type" = 'server' -o "$crt_type" = 'serverClient' ];
+		if [ "$crt_type" = 'server' ] || [ "$crt_type" = 'serverClient' ];
 		then
 			echo "$EASYRSA_EXTRA_EXTS" |
 				grep -q subjectAltName ||