diff --git a/birdnet-pi/Dockerfile b/birdnet-pi/Dockerfile
index e2d5144da..aef5e0c03 100644
--- a/birdnet-pi/Dockerfile
+++ b/birdnet-pi/Dockerfile
@@ -104,7 +104,7 @@ RUN \
     groupmod -o -g 1000 caddy && usermod -o -u 1000 caddy && \
     \
     # Ensure always pi is used
-    for file in $(grep -srl "/etc/passwd" $HOME/BirdNET-Pi/); do sed -i "s=/etc/passwd=/etc/passwd | head -1=g" "$file"; done && \
+    grep -srl "/etc/passwd" "$HOME/BirdNET-Pi/" | while IFS= read -r file; do sed -i "s=/etc/passwd=/etc/passwd | head -1=g" "$file"; done && \
     \
     # Cleanup
     apt-get clean all && \