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-rw-r--r--shell/ash.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/shell/ash.c b/shell/ash.c
index 8fb32c1ae..2ed802d2e 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -7192,7 +7192,7 @@ varvalue(char *name, int varflags, int flags, int *quotedp)
case '-':
expdest = makestrspace(NOPTS, expdest);
for (i = NOPTS - 1; i >= 0; i--) {
- if (optlist[i]) {
+ if (optlist[i] && optletters(i)) {
USTPUTC(optletters(i), expdest);
len++;
}