diff --git a/application/src/main/java/org/thingsboard/server/service/script/AbstractNashornJsInvokeService.java b/application/src/main/java/org/thingsboard/server/service/script/AbstractNashornJsInvokeService.java
index 7c8eb2a..b925900 100644
--- a/application/src/main/java/org/thingsboard/server/service/script/AbstractNashornJsInvokeService.java
+++ b/application/src/main/java/org/thingsboard/server/service/script/AbstractNashornJsInvokeService.java
@@ -46,6 +46,7 @@ public abstract class AbstractNashornJsInvokeService extends AbstractJsInvokeSer
sandbox.setExecutor(monitorExecutorService);
sandbox.setMaxCPUTime(getMaxCpuTime());
sandbox.allowNoBraces(false);
+ sandbox.allowLoadFunctions(true);
sandbox.setMaxPreparedStatements(30);
} else {
NashornScriptEngineFactory factory = new NashornScriptEngineFactory();