diff --git a/src/api/renderer.c b/src/api/renderer.c
index 3ae876d3..383618b4 100644
--- a/src/api/renderer.c
+++ b/src/api/renderer.c
@@ -144,7 +144,7 @@ static int f_font_group(lua_State* L) {
   luaL_checktype(L, 1, LUA_TTABLE);
 
   table_size = lua_rawlen(L, 1);
-  if (table_size >= FONT_FALLBACK_MAX)
+  if (table_size > FONT_FALLBACK_MAX)
     return luaL_error(L, "failed to create font group: table size too large");
 
   // we also need to ensure that there are no fontgroups inside it