diff --git a/playbooks/templates/cassandra.service b/playbooks/templates/cassandra.service
index 01c4e3d..6533e62 100644
--- a/playbooks/templates/cassandra.service
+++ b/playbooks/templates/cassandra.service
@@ -1,15 +1,18 @@
 [Unit]
 Description=Cassandra server for SWH test cluster
 After=network.target
 
 [Service]
 Type=forking
 ExecStart={{cassandra_install_path}}/bin/cassandra
 
 Environment=MAX_HEAP_SIZE={{cassandra_max_heap_size}}
 Environment=HEAP_NEWSIZE={{cassandra_heap_newsize}}
 
+# Don't crash if /tmp is full
+Environment=JVM_OPTS=-Djava.io.tmpdir={{cassandra_install_path}}/java_tmp
+
 Nice=10
 
 [Install]
 WantedBy=default.target