diff --git a/tcc.c b/tcc.c
index 0b731f3..f581f42 100644
--- a/tcc.c
+++ b/tcc.c
@@ -6255,7 +6255,7 @@ static int type_size(CType *type, int *a)
         return LDOUBLE_SIZE;
     } else if (bt == VT_DOUBLE || bt == VT_LLONG) {
 #ifdef TCC_TARGET_I386
-        *a = 4;
+        *a = 8;
 #elif defined(TCC_TARGET_ARM)
 #ifdef TCC_ARM_EABI
         *a = 8;