diff --git a/mp4tool/mp4dump/mp4dump.go b/mp4tool/mp4dump/mp4dump.go
index 7ae8a78..ea8c1fa 100644
--- a/mp4tool/mp4dump/mp4dump.go
+++ b/mp4tool/mp4dump/mp4dump.go
@@ -132,7 +132,7 @@ func (m *mp4dump) dump(r io.ReadSeeker) error {
 					return nil, err
 				}
 
-				str, err := mp4.Stringify(box, &h.BoxInfo.BoxStructureStatus)
+				str, err := mp4.Stringify(box, h.BoxInfo.BoxStructureStatus)
 				if err != nil {
 					return nil, err
 				}
diff --git a/mp4tool/mp4edit/mp4edit.go b/mp4tool/mp4edit/mp4edit.go
index 51fc4f1..1b0034c 100644
--- a/mp4tool/mp4edit/mp4edit.go
+++ b/mp4tool/mp4edit/mp4edit.go
@@ -108,7 +108,7 @@ func editFile(inputPath, outputPath string) error {
 				}
 			}
 
-			n, err := mp4.Marshal(outputFile, box, &bi.BoxStructureStatus)
+			n, err := mp4.Marshal(outputFile, box, bi.BoxStructureStatus)
 			if err != nil {
 				return nil, err
 			}
diff --git a/mp4tool/psshdump/psshdump.go b/mp4tool/psshdump/psshdump.go
index f1acc55..f90203b 100644
--- a/mp4tool/psshdump/psshdump.go
+++ b/mp4tool/psshdump/psshdump.go
@@ -36,7 +36,7 @@ func dump(inputFilePath string) error {
 	for i := range bs {
 		pssh := bs[i].Payload.(*mp4.Pssh)
 
-		sysid, _ := pssh.StringifyField("SystemID", "", 0, &bs[i].Info.BoxStructureStatus)
+		sysid, _ := pssh.StringifyField("SystemID", "", 0, bs[i].Info.BoxStructureStatus)
 
 		if _, err := bs[i].Info.SeekToStart(inputFile); err != nil {
 			return err