diff --git a/cl/_testgo/defer/out.ll b/cl/_testgo/defer/out.ll
index d7649276..ebb35a1c 100644
--- a/cl/_testgo/defer/out.ll
+++ b/cl/_testgo/defer/out.ll
@@ -37,10 +37,6 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
 
 define i32 @main(i32 %0, ptr %1) {
 _llgo_0:
-  store i32 %0, ptr @__llgo_argc, align 4
-  store ptr %1, ptr @__llgo_argv, align 8
-  call void @"github.com/goplus/llgo/internal/runtime.init"()
-  call void @main.init()
   %2 = load ptr, ptr @__llgo_defer, align 8
   %3 = call ptr @pthread_getspecific(ptr %2)
   %4 = alloca i8, i64 40, align 1
@@ -51,6 +47,10 @@ _llgo_0:
   %7 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Defer", ptr %4, i32 0, i32 2
   store ptr %3, ptr %7, align 8
   %8 = call i32 @pthread_setspecific(ptr %2, ptr %4)
+  store i32 %0, ptr @__llgo_argc, align 4
+  store ptr %1, ptr @__llgo_argv, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.init"()
+  call void @main.init()
   %9 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Defer", ptr %4, i32 0, i32 1
   %10 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Defer", ptr %4, i32 0, i32 3
   %11 = load i64, ptr %9, align 4
diff --git a/ssa/stmt_builder.go b/ssa/stmt_builder.go
index 9f59e656..d77dfb2a 100644
--- a/ssa/stmt_builder.go
+++ b/ssa/stmt_builder.go
@@ -191,11 +191,12 @@ func (b Builder) deferKey() Expr {
 func (b Builder) getDefer() *aDefer {
 	self := b.Func
 	if self.defer_ == nil {
-		// TODO(xsw): move to funtion start
+		// TODO(xsw): if in pkg.init?
 		// 0: proc func(uintptr)
 		// 1: bits uintptr
 		// 2: link *Defer
 		// 3: rund int
+		b.SetBlockEx(b.blk, AtStart, false)
 		prog := b.Prog
 		key := b.deferKey()
 		deferfn := prog.Null(prog.VoidPtr())
@@ -204,6 +205,7 @@ func (b Builder) getDefer() *aDefer {
 		ptr := b.aggregateAlloca(prog.Defer(), deferfn.impl, zero.impl, link.impl)
 		deferData := Expr{ptr, prog.DeferPtr()}
 		b.pthreadSetspecific(key, deferData)
+		b.SetBlockEx(b.blk, AtEnd, false)
 		self.defer_ = &aDefer{
 			key:     key,
 			data:    deferData,