diff --git a/src/parser.lalrpop b/src/parser.lalrpop
index 3b90c41..f278f8f 100644
--- a/src/parser.lalrpop
+++ b/src/parser.lalrpop
@@ -330,7 +330,7 @@ IPv6: CascadeString = {
 
 // lexing precedence
 match {
-	r"[[:space:]]*" => { },
+	r"[[:space:]]+" => { },
 	r"//[^\n\r]*[\n\r]*" => { },
 	r"([[:digit:]]{1,3}\.){4}" => IPv4Regex,
 	"::1" => IPv6Regex, // TODO