diff --git a/PowerEditor/src/WinControls/Preference/preferenceDlg.cpp b/PowerEditor/src/WinControls/Preference/preferenceDlg.cpp
index c4a0c16db..020763575 100644
--- a/PowerEditor/src/WinControls/Preference/preferenceDlg.cpp
+++ b/PowerEditor/src/WinControls/Preference/preferenceDlg.cpp
@@ -3368,7 +3368,7 @@ intptr_t CALLBACK LanguageSubDlg::run_dlgProc(UINT message, WPARAM wParam, LPARA
 				}
 			}
 		}
-
+		[[fallthrough]];
 		default:
 		{
 			break;