diff --git a/Dockerfile b/Dockerfile
index 885dc89..c606907 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,6 +5,6 @@ RUN apt update -y && \
     pip3 install nltk numpy sklearn flask pandas && \
     rm -rf /var/lib/apt/lists/*
 COPY . /home/spam-filter/.
+RUN python3 /home/spam-filter/configuration/scripts/nltk_package_downloads.py
 EXPOSE 9090
-CMD ["python", "/home/spam-filter/configuration/scripts/nltk_package_downloads.py"]
 CMD ["python", "/home/spam-filter/src/main.py"]
\ No newline at end of file