1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib_string.c b/src/lib_string.c
index 0d9290bc..969e0423 100644
--- a/src/lib_string.c
+++ b/src/lib_string.c
@@ -714,7 +714,7 @@ again:
         lj_strfmt_putfchar(sb, sf, lj_lib_checkint(L, arg));
         break;
       case STRFMT_PTR:  /* No formatting. */
-        lj_strfmt_putptr(sb, lj_obj_ptr(L->base+arg-1));
+        lj_strfmt_putptr(sb, lj_obj_ptr(G(L), L->base+arg-1));
         break;
       default:
         lj_assertL(0, "bad string format type");