diff --git a/lib/efi_loader/efi_file.c b/lib/efi_loader/efi_file.c
index 2107730..5dafe28 100644
--- a/lib/efi_loader/efi_file.c
+++ b/lib/efi_loader/efi_file.c
@@ -140,7 +140,7 @@
 
 	if (file_name) {
 		utf16_to_utf8((u8 *)f0, (u16 *)file_name, 1);
-		flen = utf16_strlen((u16 *)file_name);
+		flen = u16_strlen((u16 *)file_name);
 	}
 
 	/* we could have a parent, but also an absolute path: */