diff --git a/tcg/tcg.c b/tcg/tcg.c
index 024a22cf39..6332cdceca 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1508,11 +1508,11 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args)
 
         if (is_32bit) {
             TCGv_i64 temp = tcg_temp_new_i64();
-            TCGv_i64 orig = temp_tcgv_i64(args[i]);
+            TCGv_i32 orig = temp_tcgv_i32(args[i]);
             if (is_signed) {
-                tcg_gen_ext32s_i64(temp, orig);
+                tcg_gen_ext_i32_i64(temp, orig);
             } else {
-                tcg_gen_ext32u_i64(temp, orig);
+                tcg_gen_extu_i32_i64(temp, orig);
             }
             args[i] = tcgv_i64_temp(temp);
         }