diff --git a/src/terminal_box.rs b/src/terminal_box.rs
index d6b3814..a80b4ca 100644
--- a/src/terminal_box.rs
+++ b/src/terminal_box.rs
@@ -778,7 +778,12 @@ where
                         status = Status::Captured;
                     }
                     Named::Space => {
-                        terminal.input_scroll(format!("{}{}", alt_prefix, " ").into_bytes());
+                        if modifiers.control() {
+                            // Send NUL character (\x00) for Ctrl + Space
+                            terminal.input_scroll(b"\x00".to_vec());
+                        } else {
+                            terminal.input_scroll(format!("{}{}", alt_prefix, " ").into_bytes());
+                        }                        
                         status = Status::Captured;
                     }
                     Named::Tab => {