diff --git a/sorting.c b/sorting.c
index 1c7fb48..32f9fc8 100644
--- a/sorting.c
+++ b/sorting.c
@@ -28,8 +28,8 @@ int sort_natural(const void *file0_, const void *file1_){
 	file *file0 = (file*)file0_;
 	file *file1 = (file*)file1_;
 
-	unsigned char *a = file0->file_name;
-	unsigned char *b = file1->file_name;
+	unsigned char *a = (unsigned char*)file0->file_name;
+	unsigned char *b = (unsigned char*)file1->file_name;
 
 	if (file0->file_type & (FILE_TYPE_SYMLINK | FILE_TYPE_DIR) && !(file1->file_type & (FILE_TYPE_SYMLINK | FILE_TYPE_DIR))) {
 			return -1;