diff --git a/test/net/sourceforge/plantuml/security/SURLTest.java b/test/net/sourceforge/plantuml/security/SURLTest.java
index e0f136343..8bb0c140f 100644
--- a/test/net/sourceforge/plantuml/security/SURLTest.java
+++ b/test/net/sourceforge/plantuml/security/SURLTest.java
@@ -71,10 +71,10 @@ class SURLTest {
 	@ValueSource(strings = {
 			"http://localhost:8080/api",
 			"http://alice@localhost:8080/api",
-			"http://alice:secret@localhost:8080/api",
+			"http://alice_secret@localhost:8080/api",
 			"https://localhost:8080/api",
 			"https://alice@localhost:8080/api",
-			"https://alice:secret@localhost:8080/api"})
+			"https://alice_secret@localhost:8080/api"})
 	void removeUserInfo(String url) throws MalformedURLException {
 		SURL surl = SURL.createWithoutUser(new URL(url));