diff --git a/tcg/ppc64/tcg-target.h b/tcg/ppc64/tcg-target.h
index 66feb4d5af1254df20f9a1d4ff5b091743bac62e..2174db2379a8dcadfdea947c82b9be0b52d6702e 100644
--- a/tcg/ppc64/tcg-target.h
+++ b/tcg/ppc64/tcg-target.h
@@ -65,7 +65,7 @@ enum {
 /* used for function call generation */
 #define TCG_REG_CALL_STACK TCG_REG_R1
 #define TCG_TARGET_STACK_ALIGN 16
-#define TCG_TARGET_CALL_STACK_OFFSET 8
+#define TCG_TARGET_CALL_STACK_OFFSET 48
 
 /* optional instructions */
 #define TCG_TARGET_HAS_neg_i32