diff --git a/pwndbg/ui.py b/pwndbg/ui.py
index 8fff77e9..f6cb39bb 100644
--- a/pwndbg/ui.py
+++ b/pwndbg/ui.py
@@ -93,7 +93,12 @@ def get_cmd_window_size():
     Output of "info win" in non-TUI mode:
     (gdb) info win
     The TUI is not active."""
-    info_out = gdb.execute("info win", to_string=True).split()
+    try:
+        info_out = gdb.execute("info win", to_string=True).split()
+    except gdb.error:
+        # Return None if the command is not compiled into GDB
+        # (gdb.error: Undefined info command: "win".  Try "help info")
+        return None, None
     if "cmd" not in info_out:
         # if TUI is not enabled, info win will output "The TUI is not active."
         return None, None