diff --git a/src/vm_arm.dasc b/src/vm_arm.dasc
index edefac32..5bbdbbff 100644
--- a/src/vm_arm.dasc
+++ b/src/vm_arm.dasc
@@ -699,6 +699,7 @@ static void build_subroutines(BuildCtx *ctx)
   |->vmeta_tsetr:
   |  str BASE, L->base
   |  .IOS mov RC, BASE
+  |  mov CARG1, L
   |  str PC, SAVE_PC
   |  bl extern lj_tab_setinth  // (lua_State *L, GCtab *t, int32_t key)
   |  // Returns TValue *.
diff --git a/src/vm_arm64.dasc b/src/vm_arm64.dasc
index edceb549..62946373 100644
--- a/src/vm_arm64.dasc
+++ b/src/vm_arm64.dasc
@@ -711,6 +711,7 @@ static void build_subroutines(BuildCtx *ctx)
   |->vmeta_tsetr:
   |  sxtw CARG3, TMP1w
   |  str BASE, L->base
+  |  mov CARG1, L
   |  str PC, SAVE_PC
   |  bl extern lj_tab_setinth  // (lua_State *L, GCtab *t, int32_t key)
   |  // Returns TValue *.
diff --git a/src/vm_ppc.dasc b/src/vm_ppc.dasc
index 4299e266..a66e30b5 100644
--- a/src/vm_ppc.dasc
+++ b/src/vm_ppc.dasc
@@ -1083,6 +1083,7 @@ static void build_subroutines(BuildCtx *ctx)
   |
   |->vmeta_tsetr:
   |  stp BASE, L->base
+  |  mr CARG1, L
   |  stw PC, SAVE_PC
   |  bl extern lj_tab_setinth  // (lua_State *L, GCtab *t, int32_t key)
   |  // Returns TValue *.