diff --git a/bencode_test.go b/bencode_test.go
index 616ada5..22d34e8 100644
--- a/bencode_test.go
+++ b/bencode_test.go
@@ -239,8 +239,8 @@ 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},
@@ -253,9 +253,9 @@ func TestUnmarshal(t *testing.T) {
 		SVPair{"l3:abc3:defe", []string{"abc", "def"}},
 		SVPair{"li42e3:abce", []any{42, "abc"}},
 		SVPair{"de", map[string]any{}},
-		//SVPair{"d3:cati1e3:dogi2ee", map[string]any{"cat": 1, "dog": 2}},
+		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: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..0290d65 100644
--- a/struct.go
+++ b/struct.go
@@ -72,6 +72,10 @@ func (b *structBuilder) Int64(i int64) {
 	if b == nil {
 		return
 	}
+	if !b.val.CanSet() {
+		x := 0
+		b.val = reflect.ValueOf(&x).Elem()
+	}
 	v := b.val
 	if isfloat(v) {
 		setfloat(v, float64(i))
@@ -84,6 +88,10 @@ func (b *structBuilder) Uint64(i uint64) {
 	if b == nil {
 		return
 	}
+	if !b.val.CanSet() {
+		x := uint64(0)
+		b.val = reflect.ValueOf(&x).Elem()
+	}
 	v := b.val
 	if isfloat(v) {
 		setfloat(v, float64(i))
@@ -96,6 +104,10 @@ func (b *structBuilder) Float64(f float64) {
 	if b == nil {
 		return
 	}
+	if !b.val.CanSet() {
+		x := float64(0)
+		b.val = reflect.ValueOf(&x).Elem()
+	}
 	v := b.val
 	if isfloat(v) {
 		setfloat(v, f)
@@ -109,11 +121,16 @@ 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))
 	}
 }
 
@@ -164,7 +181,7 @@ func (b *structBuilder) Map() {
 	if b == nil {
 		return
 	}
-	if v := b.val; v.Kind() == reflect.Ptr && v.IsNil() {
+	if v := b.val; v.Kind() == reflect.Ptr {
 		if v.IsNil() {
 			v.Set(reflect.Zero(v.Type().Elem()).Addr())
 			b.Flush()