diff --git a/server-scripts/desec-ip-sync/Dockerfile b/server-scripts/desec-ip-sync/Dockerfile
index 39f3ba0..b7949e5 100644
--- a/server-scripts/desec-ip-sync/Dockerfile
+++ b/server-scripts/desec-ip-sync/Dockerfile
@@ -4,6 +4,8 @@ COPY . /desec
 
 WORKDIR /desec/server-scripts/desec-ip-sync/
 
+SHELL ["bash", "-c"]
+
 RUN apt update && apt install python3.11-venv -y
 
 RUN bash run.bash