diff --git a/mozilla/tools/codesighs/autosummary.win.bash b/mozilla/tools/codesighs/autosummary.win.bash
index 1f47ecbfc12..82627b38672 100755
--- a/mozilla/tools/codesighs/autosummary.win.bash
+++ b/mozilla/tools/codesighs/autosummary.win.bash
@@ -98,7 +98,7 @@ MYTMPDIR=`mktemp -d ./codesighs.tmp.XXXXXXXX`
 #   Find all map files.
 #
 ALLMAPSFILE="$MYTMPDIR/allmaps.list"
-find ./mozilla -type f -name *.map > $ALLMAPSFILE
+find ./mozilla -type f -name "*.map" > $ALLMAPSFILE
 
 
 #