diff --git a/bencode_test.go b/bencode_test.go
index 504d980..a4d222e 100644
--- a/bencode_test.go
+++ b/bencode_test.go
@@ -241,8 +241,8 @@ func TestUnmarshal(t *testing.T) {
 		Q string            "q"
 		A map[string]string "a"
 	}
-	//innerDict := map[string]string{"id": "abcdefghij0123456789"}
-	//nestedDictionary := structNested{"aa", "q", "ping", innerDict}
+	innerDict := map[string]string{"id": "abcdefghij0123456789"}
+	nestedDictionary := structNested{"aa", "q", "ping", innerDict}
 
 	tests := []SVPair{
 		SVPair{"i100e", 100},
@@ -256,8 +256,8 @@ func TestUnmarshal(t *testing.T) {
 		SVPair{"li42e3:abce", []any{42, "abc"}},
 		SVPair{"de", map[string]any{}},
 		//SVPair{"d3:cati1e3:dogi2ee", map[string]any{"cat": 1, "dog": 2}},
-		//SVPair{"d1:ai10e1:b3:fooe", structA{10, "foo"}},
-		//SVPair{"d1:ad2:id20:abcdefghij0123456789e1:q4:ping1:t2:aa1:y1:qe", nestedDictionary},
+		SVPair{"d1:ai10e1:b3:fooe", structA{10, "foo"}},
+		SVPair{"d1:ad2:id20:abcdefghij0123456789e1:q4:ping1:t2:aa1:y1:qe", nestedDictionary},
 	}
 	for _, sv := range tests {
 		if err := checkUnmarshal(sv.s, sv.v); err != nil {
diff --git a/struct.go b/struct.go
index f7e231b..b850480 100644
--- a/struct.go
+++ b/struct.go
@@ -109,11 +109,16 @@ func (b *structBuilder) String(s string) {
 		return
 	}
 
-	switch v := b.val; v.Kind() {
+	switch b.val.Kind() {
 	case reflect.String:
-		v.SetString(s)
+		if !b.val.CanSet() {
+			x := ""
+			b.val = reflect.ValueOf(&x).Elem()
+
+		}
+		b.val.SetString(s)
 	case reflect.Interface:
-		v.Set(reflect.ValueOf(s))
+		b.val.Set(reflect.ValueOf(s))
 	}
 }