diff --git a/dwarf.go b/dwarf.go
index d2c0c93..2929092 100644
--- a/dwarf.go
+++ b/dwarf.go
@@ -95,7 +95,7 @@ func commonStringCheck(fh fileHandler, entry *dwarf.Entry) (string, dwarfwalkSta
 		return "", dwStop
 	}
 	var addr uint64
-	if fh.getFileInfo().WordSize == 4 { // 32 bits
+	if fh.getFileInfo().WordSize == intSize32 {
 		addr = uint64(fh.getFileInfo().ByteOrder.Uint32(location[1:]))
 	} else {
 		addr = fh.getFileInfo().ByteOrder.Uint64(location[1:])
@@ -108,7 +108,7 @@ func commonStringCheck(fh fileHandler, entry *dwarf.Entry) (string, dwarfwalkSta
 	off := addr - sectionBase
 	r := bytes.NewReader(data[off:])
 	var stringData [2]uint64
-	if fh.getFileInfo().WordSize == 4 { // 32 bits
+	if fh.getFileInfo().WordSize == intSize32 {
 		var stringData32 [2]uint32
 		err = binary.Read(r, fh.getFileInfo().ByteOrder, &stringData32)
 		if err != nil {