diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c
index 7d78f3b2fd33bf4532239b479ed9212af01d6bdc..d1d22d1d03d8b0d5a359e9f34c7b36613ab86f99 100644
--- a/tcg/ppc64/tcg-target.c
+++ b/tcg/ppc64/tcg-target.c
@@ -805,7 +805,7 @@ void tcg_target_qemu_prologue (TCGContext *s)
                        | (i * 8 + 48 + TCG_STATIC_CALL_ARGS_SIZE)
                        )
             );
-    tcg_out32 (s, STD | RS (0) | RA (1) | (frame_size + 20));
+    tcg_out32 (s, STD | RS (0) | RA (1) | (frame_size + 16));
 
     tcg_out32 (s, MTSPR | RS (3) | CTR);
     tcg_out32 (s, BCCTR | BO_ALWAYS);
@@ -820,7 +820,7 @@ void tcg_target_qemu_prologue (TCGContext *s)
                        | (i * 8 + 48 + TCG_STATIC_CALL_ARGS_SIZE)
                        )
             );
-    tcg_out32 (s, LD | RT (0) | RA (1) | (frame_size + 20));
+    tcg_out32 (s, LD | RT (0) | RA (1) | (frame_size + 16));
     tcg_out32 (s, MTSPR | RS (0) | LR);
     tcg_out32 (s, ADDI | RT (1) | RA (1) | frame_size);
     tcg_out32 (s, BCLR | BO_ALWAYS);