1 files changed, 4 insertions, 2 deletions

diff --git a/coreutils/sleep.c b/coreutils/sleep.c
index de18dd0db..b16d03c2b 100644
--- a/coreutils/sleep.c
+++ b/coreutils/sleep.c
@@ -54,11 +54,13 @@ int sleep_main(int argc UNUSED_PARAM, char **argv)
                 char *arg = *argv;
                 if (strchr(arg, '.')) {
                         double d;
+                        char *pp;
                         int len = strspn(arg, "0123456789.");
                         char sv = arg[len];
                         arg[len] = '\0';
-                        d = bb_strtod(arg, NULL);
-                        if (errno)
+                        errno = 0;
+                        d = strtod(arg, &pp);
+                        if (errno || *pp)
                                 bb_show_usage();
                         arg[len] = sv;
                         len--;