diff --git a/pom.xml b/pom.xml
index c4450e1619d..dec5334e526 100644
--- a/pom.xml
+++ b/pom.xml
@@ -367,6 +367,7 @@
                             </excludes>
                             <jvmArgs>
                                 <param>-Xmx512m</param>
+                                <param>-XX:MaxDirectMemorySize=512m</param>
                                 <param>-Des.logger.prefix=</param>
                             </jvmArgs>
                             <shuffleOnSlave>${tests.shuffle}</shuffleOnSlave>