diff --git a/libs/rs/rs.spec b/libs/rs/rs.spec
index c7fb2af..31d70c7 100644
--- a/libs/rs/rs.spec
+++ b/libs/rs/rs.spec
@@ -338,6 +338,12 @@
 	param float value
 	}
 
+ScriptSetVarD {
+	param RsScript s
+	param uint32_t slot
+	param double value
+	}
+
 ScriptSetVarV {
 	param RsScript s
 	param uint32_t slot
diff --git a/libs/rs/rsScript.cpp b/libs/rs/rsScript.cpp
index fc22fc3..43bb09e 100644
--- a/libs/rs/rsScript.cpp
+++ b/libs/rs/rsScript.cpp
@@ -101,6 +101,12 @@
     s->setVar(slot, &value, sizeof(value));
 }
 
+void rsi_ScriptSetVarD(Context *rsc, RsScript vs, uint32_t slot, double value)
+{
+    Script *s = static_cast<Script *>(vs);
+    s->setVar(slot, &value, sizeof(value));
+}
+
 void rsi_ScriptSetVarV(Context *rsc, RsScript vs, uint32_t slot, const void *data, uint32_t len)
 {
     const float *fp = (const float *)data;