diff --git a/server/Dockerfile b/server/Dockerfile
index 93d9aa7e0ca0c67008f89508035c6ea69809e73a..a59b77ce4204c5ea42484b6bfe2a2d2ab2453ea6 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -97,7 +97,7 @@ RUN make install
 RUN ldconfig
 
 WORKDIR /source/seafile-server
-RUN git checkout da2d96a0
+RUN git fetch && checkout da2d96a0
 RUN ./autogen.sh
 RUN ./configure --disable-fuse
 RUN make