diff --git a/acme4j-it/src/test/java/org/shredzone/acme4j/it/OrderIT.java b/acme4j-it/src/test/java/org/shredzone/acme4j/it/OrderIT.java
index dd897cb8..c39c951b 100644
--- a/acme4j-it/src/test/java/org/shredzone/acme4j/it/OrderIT.java
+++ b/acme4j-it/src/test/java/org/shredzone/acme4j/it/OrderIT.java
@@ -183,7 +183,7 @@ public class OrderIT extends PebbleITBase {
         assertThat(cert, not(nullValue()));
         assertThat(cert.getNotAfter(), not(nullValue()));
         assertThat(cert.getNotBefore(), not(nullValue()));
-        assertThat(cert.getSubjectX500Principal().getName(), is("CN=" + domain));
+        assertThat(cert.getSubjectX500Principal().getName(), containsString("CN=" + domain));
     }
 
     /**