diff --git a/.gitattributes b/.gitattributes
index 12e24e8..3e193f9 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -7,3 +7,9 @@
 
 # PowerShell is more forgiving but the same logic applies.
 *.ps1 text eol=crlf
+
+# Shell scripts run inside the Linux container; they MUST stay LF even when
+# checked out on Windows. autocrlf=true would otherwise inject CR and break
+# `set -o pipefail`, shebangs, and heredocs (e.g. docker/setup-melo.sh failing
+# the image build with "set: pipefail: invalid option name").
+*.sh text eol=lf