diff --git a/docker/pgvecto-rs.Dockerfile b/docker/pgvecto-rs.Dockerfile
index d01f006..39df063 100644
--- a/docker/pgvecto-rs.Dockerfile
+++ b/docker/pgvecto-rs.Dockerfile
@@ -7,4 +7,4 @@ FROM tensorchord/pgvecto-rs-binary:${TAG}-${TARGETARCH} as binary
 FROM postgres:$POSTGRES_VERSION
 COPY --from=binary /pgvecto-rs-binary-release.deb /tmp/vectors.deb
 RUN apt-get install -y /tmp/vectors.deb && rm -f /tmp/vectors.deb
-CMD ["postgres", "-c" ,"shared_preload_libraries='vectors.so'", "-c", "search_path='\"\$user\", public, vectors'"]
+CMD ["postgres", "-c" ,"shared_preload_libraries=vectors.so", "-c", "search_path=\"$user\", public, vectors"]