diff --git a/Dockerfile b/Dockerfile
index 57cb1401..30fa8c15 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,6 +34,9 @@ RUN apt-get update && \
         wget \
         && apt-get clean
 
+RUN rm /bin/sh && ln -s /bin/bash /bin/sh
+ENV CONFIG_SHELL=/bin/bash
+
 COPY . /home/builder/openwrt
 RUN useradd -m -s /bin/bash builder
 RUN chown -R builder:builder /home/builder/openwrt