When the profiling interval is parsed, `tvisnum()` is used to check that
the given value is a number. But in case of dual-number mode this check
returns false as far as the given value is an integer, so `tvisnumber()`
should be used to cover both cases.
---
 src/lib_misc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib_misc.c b/src/lib_misc.c
index 06fb9f9f..c18d297e 100644
--- a/src/lib_misc.c
+++ b/src/lib_misc.c
@@ -209,7 +209,7 @@ static int parse_sysprof_opts(lua_State *L, struct luam_Sysprof_Options *opt, in
   {
     cTValue *interval = lj_tab_getstr(options, lj_str_newlit(L, "interval"));
     opt->interval = SYSPROF_DEFAULT_INTERVAL;
- if (interval && tvisnum(interval)) {
+ if (interval && tvisnumber(interval)) {
       int32_t signed_interval = numberVint(interval);
       if (signed_interval < 1)
         return PROFILE_ERRUSE;
--
2.34.1