diff --git a/internal/serde/reflect.go b/internal/serde/reflect.go
index 9d828ce..6c60488 100644
--- a/internal/serde/reflect.go
+++ b/internal/serde/reflect.go
@@ -445,8 +445,7 @@ func serializeInterface(s *Serializer, t reflect.Type, p unsafe.Pointer) {
 		return
 	}
 
-	x := *(*interface{})(p)
-	et := reflect.TypeOf(x)
+	et := reflect.TypeOf(reflect.NewAt(t, p).Elem().Interface())
 	serializeType(s, et)
 
 	eptr := i.ptr
diff --git a/internal/serde/scan.go b/internal/serde/scan.go
index 69a0914..2827364 100644
--- a/internal/serde/scan.go
+++ b/internal/serde/scan.go
@@ -278,9 +278,9 @@ func scan(s *Serializer, t reflect.Type, p unsafe.Pointer) {
 			scan(s, et, ep)
 		}
 	case reflect.Interface:
-		x := *(*interface{})(p)
-		et := reflect.TypeOf(x)
+		et := reflect.TypeOf(r.Elem().Interface())
 		eptr := (*iface)(p).ptr
+
 		if eptr == nil {
 			return
 		}
diff --git a/serde/serde_test.go b/serde/serde_test.go
index f1cb3d3..d9b7c0a 100644
--- a/serde/serde_test.go
+++ b/serde/serde_test.go
@@ -2,6 +2,7 @@ package serde_test
 
 import (
 	"bytes"
+	"context"
 	"encoding/binary"
 	"fmt"
 	"net/http"
@@ -26,6 +27,7 @@ func TestReflect(t *testing.T) {
 		intv := int(100)
 		intp := &intv
 		intpp := &intp
+		type ctxKey1 struct{}
 
 		cases := []any{
 			"foo",
@@ -63,6 +65,10 @@ func TestReflect(t *testing.T) {
 			func(int) int { return 42 },
 
 			[1]*int{intp},
+
+			context.Background(),
+			context.TODO(),
+			context.WithValue(context.Background(), ctxKey1{}, "hello"),
 		}
 
 		for _, x := range cases {