diff --git a/src/test/java/com/amazon/ion/impl/bin/WriteBufferTest.java b/src/test/java/com/amazon/ion/impl/bin/WriteBufferTest.java
index 4d43f1b83..36af9f852 100644
--- a/src/test/java/com/amazon/ion/impl/bin/WriteBufferTest.java
+++ b/src/test/java/com/amazon/ion/impl/bin/WriteBufferTest.java
@@ -1793,7 +1793,7 @@ public void testWriteSidFlexSym(int value, String expectedBits) {
 
     @ParameterizedTest
     @CsvSource({
-            "'', 00000001 10000001", // 01110101 == SystemSymbols_1_1.EMPTY_TEXT.getId() converted to binary
+            "'', 00000001 10000001", // 10000001 == SystemSymbols_1_1.EMPTY_TEXT.getId() converted to binary
             "a, 11111111 01100001",
             "abc, 11111011 01100001 01100010 01100011",
             "this is a very very very very very long symbol, " +