diff --git a/t/annotate-tests.sh b/t/annotate-tests.sh
index 304c7b7..071e4d7 100644
--- a/t/annotate-tests.sh
+++ b/t/annotate-tests.sh
@@ -1,6 +1,17 @@
 # This file isn't used as a test script directly, instead it is
 # sourced from t8001-annotate.sh and t8002-blame.sh.
 
+if test_have_prereq MINGW
+then
+  sanitize_L () {
+	echo "$1" | sed 'sX\(^-L\|,\)\^\?/X&\\;*Xg'
+  }
+else
+  sanitize_L () {
+	echo "$1"
+  }
+fi
+
 check_count () {
 	head= &&
 	file='file' &&
@@ -10,6 +21,7 @@
 		case "$1" in
 		-h) head="$2"; shift; shift ;;
 		-f) file="$2"; shift; shift ;;
+		-L*) options="$options $(sanitize_L "$1")"; shift ;;
 		-*) options="$options $1"; shift ;;
 		*) break ;;
 		esac