diff --git a/src/fios_gui.cpp b/src/fios_gui.cpp
index e149d07b47..893d3ced8e 100644
--- a/src/fios_gui.cpp
+++ b/src/fios_gui.cpp
@@ -463,6 +463,14 @@ public:
 					y = DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT,
 							y, r.bottom - WD_FRAMERECT_BOTTOM, _load_check_data.error, TC_RED);
 				} else {
+					/* Warning if save unique id differ when saving */
+					if (this->fop == SLO_SAVE &&
+							_load_check_data.settings.game_creation.generation_unique_id != 0 && /* Don't warn if the save has no id (old save) */
+							_load_check_data.settings.game_creation.generation_unique_id != _settings_game.game_creation.generation_unique_id) {
+						y = DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT,
+							y, r.bottom - WD_FRAMERECT_BOTTOM, STR_SAVELOAD_DIFFERENT_ID);
+					}
+
 					/* Mapsize */
 					SetDParam(0, _load_check_data.map_size_x);
 					SetDParam(1, _load_check_data.map_size_y);
diff --git a/src/lang/english.txt b/src/lang/english.txt
index 1cfe149219..e5a1eb8705 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -2773,6 +2773,7 @@ STR_SAVELOAD_DETAIL_NOT_AVAILABLE                               :{BLACK}No infor
 STR_SAVELOAD_DETAIL_COMPANY_INDEX                               :{SILVER}{COMMA}: {WHITE}{STRING1}
 STR_SAVELOAD_DETAIL_GRFSTATUS                                   :{SILVER}NewGRF: {WHITE}{STRING}
 STR_SAVELOAD_FILTER_TITLE                                       :{BLACK}Filter string:
+STR_SAVELOAD_DIFFERENT_ID                                       :{RED}Not the same game as you are saving.
 
 STR_SAVELOAD_OSKTITLE                                           :{BLACK}Enter a name for the savegame