diff --git a/lldb/source/Host/windows/ProcessLauncherWindows.cpp b/lldb/source/Host/windows/ProcessLauncherWindows.cpp
index ae79171337726..4cfe6f3394be9 100644
--- a/lldb/source/Host/windows/ProcessLauncherWindows.cpp
+++ b/lldb/source/Host/windows/ProcessLauncherWindows.cpp
@@ -93,8 +93,9 @@ ProcessLauncherWindows::LaunchProcess(const ProcessLaunchInfo &launch_info,
   startupinfoex.StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
 
   HPCON hPC = launch_info.GetPTY().GetPseudoTerminalHandle();
-  bool use_pty =
-      hPC != INVALID_HANDLE_VALUE && launch_info.GetNumFileActions() == 0;
+  bool use_pty = hPC != INVALID_HANDLE_VALUE &&
+                 launch_info.GetNumFileActions() == 0 &&
+                 launch_info.GetFlags().Test(lldb::eLaunchFlagLaunchInTTY);
 
   HANDLE stdin_handle = GetStdioHandle(launch_info, STDIN_FILENO);
   HANDLE stdout_handle = GetStdioHandle(launch_info, STDOUT_FILENO);