diff --git a/src/lexer.c b/src/lexer.c
index 25cb142..0508e77 100644
--- a/src/lexer.c
+++ b/src/lexer.c
@@ -115,7 +115,7 @@ noom_uint_t noomL_getnumber(const char* s, noomL_ErrorType* error, noom_LuaVersi
 
 				noom_uint_t slen = len;
 
-				while (noomL_ishex(s[len])) {
+				while (noomL_isnumber(s[len])) {
 					len++;
 				}