diff --git a/src/libmdb/data.c b/src/libmdb/data.c
index 467bd49..798f01c 100644
--- a/src/libmdb/data.c
+++ b/src/libmdb/data.c
@@ -464,6 +464,8 @@ mdb_fetch_row(MdbTableDef *table)
 	do {
 		if (table->is_temp_table) {
 			GPtrArray *pages = table->temp_table_pages;
+			if (pages->len == 0)
+				return 0;
 			rows = mdb_get_int16(
 				g_ptr_array_index(pages, table->cur_pg_num-1),
 				fmt->row_count_offset);