diff --git a/vs/d2vsource.cpp b/vs/d2vsource.cpp
index 87933bd..5a39bc2 100644
--- a/vs/d2vsource.cpp
+++ b/vs/d2vsource.cpp
@@ -209,6 +209,7 @@ void VS_CC d2vCreate(const VSMap *in, VSMap *out, void *userData, VSCore *core,
         vsapi->propSetNode(args, "clip", middle, paReplace);
         vsapi->propSetData(args, "d2v", vsapi->propGetData(in, "input", 0, NULL),
                            vsapi->propGetDataSize(in, "input", 0, NULL), paReplace);
+        vsapi->freeNode(middle);
 
         ret = vsapi->invoke(d2vPlugin, "ApplyRFF", args);
         vsapi->freeMap(args);