diff --git a/iredis/data/command_syntax.csv b/iredis/data/command_syntax.csv
index 528a6d46..fbaf47bb 100644
--- a/iredis/data/command_syntax.csv
+++ b/iredis/data/command_syntax.csv
@@ -104,14 +104,14 @@ list,LINDEX,command_key_position,render_bulk_string
 list,LINSERT,command_key_positionchoice_pivot_value,render_int
 list,LLEN,command_key,render_int
 list,LPOS,command_lpos,render_list_or_string
-list,LPOP,command_key,render_bulk_string
+list,LPOP,command_key,render_list_or_string
 list,LPUSH,command_key_values,render_int
 list,LPUSHX,command_key_values,render_int
 list,LRANGE,command_key_start_end,render_list
 list,LREM,command_key_position_value,render_int
 list,LSET,command_key_position_value,render_simple_string
 list,LTRIM,command_key_start_end,render_simple_string
-list,RPOP,command_key,render_bulk_string
+list,RPOP,command_key,render_list_or_string
 list,RPOPLPUSH,command_key_newkey,render_bulk_string
 list,RPUSH,command_key_values,render_int
 list,RPUSHX,command_key_value,render_int