diff --git a/birdnet-pi/Dockerfile b/birdnet-pi/Dockerfile
index e8eab0607..b7d15eab2 100644
--- a/birdnet-pi/Dockerfile
+++ b/birdnet-pi/Dockerfile
@@ -89,8 +89,8 @@ RUN \
     # Use my repository
     sed -i "s|Nachtzuster|alexbelgium|g" /newinstaller.sh && \
     # Install open PR
-    sed -i 's|git clone|\#git clone|g' /newinstaller.sh && \
-    sed -i '/git clone/a exec \/helpers\/merge_open_prs.sh' /newinstaller.sh && \
+    sed -i 's|^\(.*git clone.*\)|# \1|' /newinstaller.sh && \
+    sed -i '/git clone/a bash /helpers/merge_open_prs.sh' /newinstaller.sh && \
     # Avoid rebooting at end of installation
     sed -i "/reboot/d" /newinstaller.sh && \
     # Use apt-get as without user action