diff --git a/rsScript.cpp b/rsScript.cpp
index c2f9689..c5632b5 100644
--- a/rsScript.cpp
+++ b/rsScript.cpp
@@ -115,6 +115,12 @@
     s->setVar(slot, &value, sizeof(value));
 }
 
+void rsi_ScriptSetVarJ(Context *rsc, RsScript vs, uint32_t slot, long long value)
+{
+    Script *s = static_cast<Script *>(vs);
+    s->setVar(slot, &value, sizeof(value));
+}
+
 void rsi_ScriptSetVarF(Context *rsc, RsScript vs, uint32_t slot, float value)
 {
     Script *s = static_cast<Script *>(vs);