diff --git a/indexing-service/src/main/java/io/druid/indexing/overlord/config/ForkingTaskRunnerConfig.java b/indexing-service/src/main/java/io/druid/indexing/overlord/config/ForkingTaskRunnerConfig.java
index e2f30e4235b..de864d544f4 100644
--- a/indexing-service/src/main/java/io/druid/indexing/overlord/config/ForkingTaskRunnerConfig.java
+++ b/indexing-service/src/main/java/io/druid/indexing/overlord/config/ForkingTaskRunnerConfig.java
@@ -62,7 +62,8 @@ public class ForkingTaskRunnerConfig
       "druid",
       "io.druid",
       "user.timezone",
-      "file.encoding"
+      "file.encoding",
+      "java.io.tmpdir"
   );
 
   public String getTaskDir()