diff --git a/buildtools/containerfiles/tarball b/buildtools/containerfiles/tarball
index 529f494a..182c8478 100644
--- a/buildtools/containerfiles/tarball
+++ b/buildtools/containerfiles/tarball
@@ -1,13 +1,17 @@
-ARG BUILD_TIMESTAMP=0
 FROM alpine:latest as tarball
+
 COPY install-build-pkgs /tmp/
 RUN /tmp/install-build-pkgs
+
+ARG BUILD_TIMESTAMP=0
 ARG BRANCH=master
-RUN git clone --single-branch --depth=1 https://github.com/trapexit/mergerfs /tmp/mergerfs --branch="${BRANCH}"
+ARG GIT_REPO
+
+RUN git clone --single-branch "${GIT_REPO}" /tmp/mergerfs --branch="${BRANCH}"
 RUN cd /tmp/mergerfs && make version tarball
+
 RUN mkdir /build
 RUN cp -v /tmp/mergerfs/*.tar.gz /build/
 
-
 FROM scratch
 COPY --from=tarball /build/ /