diff --git a/src/common/io/io_unix.c b/src/common/io/io_unix.c
index 870b773fa..d459c3d92 100644
--- a/src/common/io/io_unix.c
+++ b/src/common/io/io_unix.c
@@ -133,46 +133,39 @@ bool ffPathExpandEnv(FF_MAYBE_UNUSED const char* in, FF_MAYBE_UNUSED FFstrbuf* o
     return result;
 }
 
+static int ftty = -1;
+static struct termios oldTerm;
+void restoreTerm(void)
+{
+    tcsetattr(ftty, TCSAFLUSH, &oldTerm);
+}
+
 const char* ffGetTerminalResponse(const char* request, const char* format, ...)
 {
-    int fin = STDIN_FILENO, fout = STDOUT_FILENO;
-    FF_AUTO_CLOSE_FD int ftty = -1;
+    if (ftty < 0)
+    {
+        ftty = open("/dev/tty", O_RDWR | O_NOCTTY | O_CLOEXEC);
+        if (ftty < 0)
+            return "open(\"/dev/tty\", O_RDWR | O_NOCTTY | O_CLOEXEC) failed";
 
-    if (!isatty(STDIN_FILENO))
-    {
-        if (ftty < 0)
-            ftty = open("/dev/tty", O_RDWR | O_NOCTTY | O_CLOEXEC);
-        fin = ftty;
-    }
-    if (!isatty(STDOUT_FILENO))
-    {
-        if (ftty < 0)
-            ftty = open("/dev/tty", O_RDWR | O_NOCTTY | O_CLOEXEC);
-        fout = ftty;
+        if(tcgetattr(ftty, &oldTerm) == -1)
+            return "tcgetattr(STDIN_FILENO, &oldTerm) failed";
+
+        struct termios newTerm = oldTerm;
+        newTerm.c_lflag &= (tcflag_t) ~(ICANON | ECHO);
+        if(tcsetattr(ftty, TCSAFLUSH, &newTerm) == -1)
+            return "tcsetattr(STDIN_FILENO, TCSAFLUSH, &newTerm)";
+        atexit(restoreTerm);
     }
 
-    struct termios oldTerm;
-    if(tcgetattr(fin, &oldTerm) == -1)
-        return "tcgetattr(STDIN_FILENO, &oldTerm) failed";
-
-    struct termios newTerm = oldTerm;
-    newTerm.c_lflag &= (tcflag_t) ~(ICANON | ECHO);
-    if(tcsetattr(fin, TCSAFLUSH, &newTerm) == -1)
-        return "tcsetattr(STDIN_FILENO, TCSAFLUSH, &newTerm)";
-
-    ffWriteFDData(fout, strlen(request), request);
+    ffWriteFDData(ftty, strlen(request), request);
 
     //Give the terminal some time to respond
-    if(poll(&(struct pollfd) { .fd = fin, .events = POLLIN }, 1, FF_IO_TERM_RESP_WAIT_MS) <= 0)
-    {
-        tcsetattr(fin, TCSANOW, &oldTerm);
+    if(poll(&(struct pollfd) { .fd = ftty, .events = POLLIN }, 1, FF_IO_TERM_RESP_WAIT_MS) <= 0)
         return "poll() timeout or failed";
-    }
 
     char buffer[512];
-    ssize_t bytesRead = read(fin, buffer, sizeof(buffer) - 1);
-
-    tcsetattr(fin, TCSANOW, &oldTerm);
+    ssize_t bytesRead = read(ftty, buffer, sizeof(buffer) - 1);
 
     if(bytesRead <= 0)
         return "read(STDIN_FILENO, buffer, sizeof(buffer) - 1) failed";