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-rw-r--r--posix/wordexp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/posix/wordexp.c b/posix/wordexp.c
index e082d94895..56289503a1 100644
--- a/posix/wordexp.c
+++ b/posix/wordexp.c
@@ -1399,7 +1399,7 @@ envsubst:
   /* Is it a numeric parameter? */
   else if (isdigit (env[0]))
     {
-      int n = atoi (env);
+      unsigned long n = strtoul (env, NULL, 10);
 
       if (n >= __libc_argc)
 	/* Substitute NULL. */