diff --git a/src/Common/Dlgcode.c b/src/Common/Dlgcode.c
index a7c5e788..fc688bb1 100644
--- a/src/Common/Dlgcode.c
+++ b/src/Common/Dlgcode.c
@@ -8414,7 +8414,8 @@ void HandleDriveNotReadyError ()
 
 BOOL CALLBACK CloseTCWindowsEnum (HWND hwnd, LPARAM lParam)
 {
-	if (GetWindowLongPtr (hwnd, GWLP_USERDATA) == (LONG_PTR) 'VERA')
+	LONG_PTR userDataVal = GetWindowLongPtr (hwnd, GWLP_USERDATA);
+	if ((userDataVal == (LONG_PTR) 'VERA') || (userDataVal == (LONG_PTR) 'TRUE')) // Prior to 1.0e, 'TRUE' was used for VeraCrypt dialogs
 	{
 		char name[1024] = { 0 };
 		GetWindowText (hwnd, name, sizeof (name) - 1);
@@ -8439,7 +8440,8 @@ BOOL CALLBACK FindTCWindowEnum (HWND hwnd, LPARAM lParam)
 	if (*(HWND *)lParam == hwnd)
 		return TRUE;
 
-	if (GetWindowLongPtr (hwnd, GWLP_USERDATA) == (LONG_PTR) 'VERA')
+	LONG_PTR userDataVal = GetWindowLongPtr (hwnd, GWLP_USERDATA);
+	if ((userDataVal == (LONG_PTR) 'VERA') || (userDataVal == (LONG_PTR) 'TRUE')) // Prior to 1.0e, 'TRUE' was used for VeraCrypt dialogs
 	{
 		char name[32] = { 0 };
 		GetWindowText (hwnd, name, sizeof (name) - 1);
diff --git a/src/Format/Tcformat.c b/src/Format/Tcformat.c
index 3fd9ea31..1cf66b56 100644
--- a/src/Format/Tcformat.c
+++ b/src/Format/Tcformat.c
@@ -377,7 +377,8 @@ static void localcleanup (void)
 
 static BOOL CALLBACK BroadcastSysEncCfgUpdateCallb (HWND hwnd, LPARAM lParam)
 {
-	if (GetWindowLongPtr (hwnd, GWLP_USERDATA) == (LONG_PTR) 'VERA')
+	LONG_PTR userDataVal = GetWindowLongPtr (hwnd, GWLP_USERDATA);
+	if ((userDataVal == (LONG_PTR) 'VERA') || (userDataVal == (LONG_PTR) 'TRUE')) // Prior to 1.0e, 'TRUE' was used for VeraCrypt dialogs
 	{
 		char name[1024] = { 0 };
 		GetWindowText (hwnd, name, sizeof (name) - 1);