diff --git a/Dockerfile b/Dockerfile
index 366105d..c94cb65 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -75,9 +75,9 @@ RUN pip3 --no-cache-dir install \
         yuuno 'prompt-toolkit<2.1.0,>=2.0.0' \
     && yuuno jupyter install
 
-ARG CACHEBUST_SCRIPTS=1
+ENV PYTHONPATH=/data/functions/:/usr/local/lib/vapoursynth-scripts/
 
-ENV PYTHONPATH=/usr/local/lib/vapoursynth-scripts/
+ARG CACHEBUST_SCRIPTS=1
 
 RUN mkdir /usr/local/lib/vapoursynth-scripts/ \
     && wget -nv -P /usr/local/lib/vapoursynth-scripts/ \