diff --git a/docker/backend/Dockerfile b/docker/backend/Dockerfile
index 030c8d007..2ee110faf 100644
--- a/docker/backend/Dockerfile
+++ b/docker/backend/Dockerfile
@@ -14,9 +14,11 @@ RUN mkdir -p ${PROJECT_DIR}
 RUN cp -r /tmp/${PROJECT_DIR}/* ${PROJECT_DIR}
 WORKDIR ${PROJECT_DIR}
 ENV HOME=${PROJECT_DIR}
-ENV STACK_ROOT=${PROJECT_DIR}/.stack
 
-RUN make backend-dependencies
+RUN mkdir -p /.stack
+ENV STACK_ROOT=/.stack
+
+RUN make backend-dependencies STACK_ROOT=${STACK_ROOT}
 
 ENV FRADRIVE_MAKE_TARGET=backend-build
-ENTRYPOINT make -- ${FRADRIVE_MAKE_TARGET}
\ No newline at end of file
+ENTRYPOINT make -- ${FRADRIVE_MAKE_TARGET} STACK_ROOT=${STACK_ROOT}
\ No newline at end of file