diff --git a/parser.go b/parser.go
index 8622828..678a20d 100644
--- a/parser.go
+++ b/parser.go
@@ -13,7 +13,7 @@ import (
 
 var blockStartRegex = regexp.MustCompile(`^([^\s:]+)\s?:\s?([^\s]+)(?:\s?\{)?$`)
 
-func parseSIIPlainFile(r io.Reader) (*Unit, error) {
+func ParseSIIPlainFile(r io.Reader) (*Unit, error) {
 	var (
 		blockContent []byte
 		blockName    string
diff --git a/sii.go b/sii.go
index 5785388..2d053fc 100644
--- a/sii.go
+++ b/sii.go
@@ -105,7 +105,7 @@ func ReadUnitFile(filename string) (*Unit, error) {
 		return nil, errors.New("Invalid / unknown file type header found")
 	}
 
-	return parseSIIPlainFile(r)
+	return ParseSIIPlainFile(r)
 }
 
 // SetEncryptionKey sets the 32-byte key to encrypt / decrypt ScsC files.