diff --git a/src/openttd.cpp b/src/openttd.cpp
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -1097,7 +1097,7 @@ void SwitchToMode(SwitchMode new_mode)
 				SetDParamStr(0, GetSaveLoadErrorString());
 				ShowErrorMessage(STR_JUST_RAW_STRING, INVALID_STRING_ID, WL_ERROR);
 			} else {
-				if (_saveload_mode == SLD_LOAD_SCENARIO) {
+				if (_file_to_saveload.filetype == FT_SCENARIO) {
 					/* Reset engine pool to simplify changing engine NewGRFs in scenario editor. */
 					EngineOverrideManager::ResetToCurrentNewGRFConfig();
 				}