diff --git a/pgjdbc/src/test/java/org/postgresql/test/jdbc2/OptionTest.java b/pgjdbc/src/test/java/org/postgresql/test/jdbc2/OptionTest.java
index 3064fd8..81af7ae 100644
--- a/pgjdbc/src/test/java/org/postgresql/test/jdbc2/OptionTest.java
+++ b/pgjdbc/src/test/java/org/postgresql/test/jdbc2/OptionTest.java
@@ -75,7 +75,7 @@ public class OptionTest extends BaseTest4 {
         assertEquals(value, s);
         // behavior_compat_options_name duplicate option
         s = setOptionsAndGet(behaviorCompatOptionsName, "hide_tailing_zero,hide_tailing_zero");
-        assertEquals("hide_tailing_zero,hide_tailing_zero", s);
+        assertEquals("hide_tailing_zero", s);
         // options applied failed
         optionsBehaviorCompatOptionsFailed(behaviorCompatOptionsName, "''");
         optionsBehaviorCompatOptionsFailed(behaviorCompatOptionsName, "hide_tailing_zero,,");