diff --git a/ext/spl/spl_directory.c b/ext/spl/spl_directory.c
index 6a5fc1757f26..86e4b11334c8 100644
--- a/ext/spl/spl_directory.c
+++ b/ext/spl/spl_directory.c
@@ -414,7 +414,7 @@ static zend_object *spl_filesystem_object_clone(zend_object *old_object)
 			spl_filesystem_dir_open(intern, source->path);
 			/* read until we hit the position in which we were before */
 			bool skip_dots = SPL_HAS_FLAG(source->flags, SPL_FILE_DIR_SKIPDOTS);
-			int index;
+			zend_long index;
 			for (index = 0; index < source->u.dir.index; ++index) {
 				do {
 					spl_filesystem_dir_read(intern);
diff --git a/ext/spl/spl_directory.h b/ext/spl/spl_directory.h
index 549dfb1dc4d0..a2d1d8d85475 100644
--- a/ext/spl/spl_directory.h
+++ b/ext/spl/spl_directory.h
@@ -62,7 +62,7 @@ struct _spl_filesystem_object {
 		struct {
 			php_stream         *dirp;
 			zend_string        *sub_path;
-			int                index;
+			zend_long          index;
 			zend_function      *func_rewind;
 			zend_function      *func_next;
 			zend_function      *func_valid;