1 files changed, 1 insertions, 1 deletions

diff --git a/src/lj_asm.c b/src/lj_asm.c
index 8dfe4dd0..286756c6 100644
--- a/src/lj_asm.c
+++ b/src/lj_asm.c
@@ -1163,7 +1163,7 @@ static void asm_bufhdr(ASMState *as, IRIns *ir)
   } else {
     Reg tmp = ra_scratch(as, rset_exclude(RSET_GPR, sb));
     /* Passing ir isn't strictly correct, but it's an IRT_PGC, too. */
-    emit_storeofs(as, ir, tmp, sb, offsetof(SBuf, p));
+    emit_storeofs(as, ir, tmp, sb, offsetof(SBuf, w));
     emit_loadofs(as, ir, tmp, sb, offsetof(SBuf, b));
   }
 #if LJ_TARGET_X86ORX64