1 files changed, 1 insertions, 1 deletions

diff --git a/c-api/compat-5.3.c b/c-api/compat-5.3.c
index 1e985f9..96b38cc 100644
--- a/c-api/compat-5.3.c
+++ b/c-api/compat-5.3.c
@@ -546,7 +546,7 @@ COMPAT53_API void lua_seti (lua_State *L, int index, lua_Integer i) {
 
 
 #if !defined(lua_str2number)
-#  define lua_str2number(s, p)  strtod(s, p)
+#  define lua_str2number(s, p)  strtod((s), (p))
 #endif
 
 COMPAT53_API size_t lua_stringtonumber (lua_State *L, const char *s) {