1 files changed, 1 insertions, 1 deletions
diff --git a/src/lobject.js b/src/lobject.js
index a70866d..707cdf8 100644
--- a/src/lobject.js
+++ b/src/lobject.js
@@ -547,7 +547,7 @@ const luaO_pushvfstring = function(L, fmt, argp) {
             case char['c']: {
                 let buff = argp[a++];
                 if (ljstype.lisprint(buff))
-                    pushstr(L, [buff]);
+                    pushstr(L, defs.string_of(buff));
                 else
                     luaO_pushfstring(L, defs.to_luastring("<\\%d>", true), buff);
                 break;