1 files changed, 1 insertions, 1 deletions

diff --git a/libbb/bb_strtonum.c b/libbb/bb_strtonum.c
index 2185017b0..cb70f1053 100644
--- a/libbb/bb_strtonum.c
+++ b/libbb/bb_strtonum.c
@@ -81,7 +81,7 @@ long long FAST_FUNC bb_strtoll(const char *arg, char **endp, int base)
         /* Check for the weird "feature":
          * a "-" string is apparently a valid "number" for strto[u]l[l]!
          * It returns zero and errno is 0! :( */
-        first = (arg[0] != '-' ? arg[0] : arg[1]);
+        first = (arg[0] != '-' && arg[0] != '+' ? arg[0] : arg[1]);
         if (!isalnum(first)) return ret_ERANGE();
 
         errno = 0;