1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/expr.c b/coreutils/expr.c
index fdb4e3997..77d603b88 100644
--- a/coreutils/expr.c
+++ b/coreutils/expr.c
@@ -117,7 +117,7 @@ static VALUE *str_value (char *s)
 
         v = xmalloc (sizeof(VALUE));
         v->type = string;
-        v->u.s = strdup (s);
+        v->u.s = bb_xstrdup (s);
         return v;
 }