diff --git a/jdk/test/javax/imageio/plugins/png/ItxtUtf8Test.java b/jdk/test/javax/imageio/plugins/png/ItxtUtf8Test.java
index 89853c639ca..74938bcda18 100644
--- a/jdk/test/javax/imageio/plugins/png/ItxtUtf8Test.java
+++ b/jdk/test/javax/imageio/plugins/png/ItxtUtf8Test.java
@@ -30,7 +30,7 @@
  *
  * @run main ItxtUtf8Test
  *
- * @run main/othervm/timeout=10 -Xmx2m ItxtUtf8Test truncate
+ * @run main/othervm/timeout=10 -Xmx4m ItxtUtf8Test truncate
  */
 
 import java.awt.image.BufferedImage;