diff --git a/Dockerfile b/Dockerfile
index 118eda78..314eb98d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -480,7 +480,7 @@ COPY tubesync/tubesync/local_settings.py.container /app/tubesync/local_settings.
 # Build app
 RUN set -x && \
   # Make absolutely sure we didn't accidentally bundle a SQLite dev database
-  rm -rf /app/db.sqlite3 && \
+  test '!' -e /app/db.sqlite3 && \
   # Run any required app commands
   /usr/bin/python3 -B /app/manage.py compilescss && \
   /usr/bin/python3 -B /app/manage.py collectstatic --no-input --link && \