diff --git a/roles/artemis/templates/artemis.service.j2 b/roles/artemis/templates/artemis.service.j2
index b2fe1ee..5290d68 100644
--- a/roles/artemis/templates/artemis.service.j2
+++ b/roles/artemis/templates/artemis.service.j2
@@ -13,6 +13,7 @@ ExecStart=/usr/bin/java \
     -Dfile.encoding=UTF-8 \
     -Dsun.jnu.encoding=UTF-8 \
     -Djava.security.egd=file:/dev/./urandom \
+    -Dhazelcast.slow.operation.detector.stacktrace.logging.enabled=true \
     -Xmx{{ (artemis_system_ram_proportion * ansible_memory_mb.real.total) | int }}m \
     -XX:+ShowCodeDetailsInExceptionMessages \
     -XX:+HeapDumpOnOutOfMemoryError \