diff --git a/admin/sync/exercice_files.go b/admin/sync/exercice_files.go
index 06e1f3a6..1de14b91 100644
--- a/admin/sync/exercice_files.go
+++ b/admin/sync/exercice_files.go
@@ -114,7 +114,7 @@ func CheckExerciceFiles(i Importer, exercice *fic.Exercice, exceptions *CheckExc
 
 			if _, err := fic.CheckBufferHash(hash160, hash512, digests[fname]); err != nil {
 				errs = append(errs, NewFileError(exercice, fname, err))
-			} else if size, err := getFileSize(i, path.Join(exercice.Path, "files", fname)); err != nil {
+			} else if size, err := GetFileSize(i, path.Join(exercice.Path, "files", fname)); err != nil {
 				errs = append(errs, NewFileError(exercice, fname, err))
 			} else {
 				var digest_shown []byte
@@ -240,7 +240,7 @@ func ApiGetRemoteExerciceFiles(c *gin.Context) {
 				var ret []*fic.EFile
 				for _, fname := range files {
 					fPath := path.Join(exercice.Path, "files", fname)
-					fSize, _ := getFileSize(GlobalImporter, fPath)
+					fSize, _ := GetFileSize(GlobalImporter, fPath)
 					ret = append(ret, &fic.EFile{
 						Path:     fPath,
 						Name:     fname,
diff --git a/admin/sync/exercices.go b/admin/sync/exercices.go
index f155d60b..c20a6fb6 100644
--- a/admin/sync/exercices.go
+++ b/admin/sync/exercices.go
@@ -263,7 +263,7 @@ func BuildExercice(i Importer, theme *fic.Theme, epath string, dmap *map[int64]*
 	e.VideoURI = path.Join(epath, "resolution.mp4")
 	if !i.exists(e.VideoURI) {
 		e.VideoURI = ""
-	} else if size, err := getFileSize(i, e.VideoURI); err != nil {
+	} else if size, err := GetFileSize(i, e.VideoURI); err != nil {
 		errs = append(errs, NewExerciceError(e, fmt.Errorf("resolution.mp4: %w", err), theme))
 		e.VideoURI = ""
 	} else if size == 0 {
@@ -280,7 +280,7 @@ func BuildExercice(i Importer, theme *fic.Theme, epath string, dmap *map[int64]*
 	}
 
 	if i.exists(writeup) {
-		if size, err := getFileSize(i, writeup); err != nil {
+		if size, err := GetFileSize(i, writeup); err != nil {
 			errs = append(errs, NewExerciceError(e, fmt.Errorf("resolution.md: %w", err), theme))
 		} else if size == 0 {
 			errs = append(errs, NewExerciceError(e, fmt.Errorf("resolution.md: The file is empty!"), theme))
diff --git a/admin/sync/file.go b/admin/sync/file.go
index d831a013..d70f5cac 100644
--- a/admin/sync/file.go
+++ b/admin/sync/file.go
@@ -62,8 +62,8 @@ type WritableImporter interface {
 // GlobalImporter stores the main importer instance to use for global imports.
 var GlobalImporter Importer
 
-// getFileSize returns the size.
-func getFileSize(i Importer, URI string) (size int64, err error) {
+// GetFileSize returns the size.
+func GetFileSize(i Importer, URI string) (size int64, err error) {
 	if i.exists(URI) {
 		if fi, err := i.stat(URI); err != nil {
 			return 0, err