diff --git a/Dockerfile b/Dockerfile
index 9d92f64cd07941d947529bf2cbacf30655c658bd..29563cc69ae5fac94a578402f1a9cfeeccdc440b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -122,7 +122,7 @@ RUN echo 'hosts: files dns' > /etc/nsswitch.conf && \
     \
     composer selfupdate && \
     \
-    git config --global --add safe.directory * && \
+    git config --global --add safe.directory '*' && \
     \
     ln -sf /usr/local/bin/ahoy /usr/local/bin/a && \
     ln -sf /usr/local/bin/composer /usr/local/bin/c && \