diff --git a/app/src/test/java/com/termux/terminal/KeyHandlerTest.java b/app/src/test/java/com/termux/terminal/KeyHandlerTest.java
index 1e48d5f7..71ce7766 100644
--- a/app/src/test/java/com/termux/terminal/KeyHandlerTest.java
+++ b/app/src/test/java/com/termux/terminal/KeyHandlerTest.java
@@ -111,6 +111,10 @@ public class KeyHandlerTest extends TestCase {
 		// Backspace.
 		assertKeysEquals("\u007f", KeyHandler.getCode(KeyEvent.KEYCODE_DEL, 0, false, false));
 
+		// Space.
+		assertNull(KeyHandler.getCode(KeyEvent.KEYCODE_SPACE, 0, false, false));
+		assertKeysEquals("\u0000", KeyHandler.getCode(KeyEvent.KEYCODE_SPACE, KeyHandler.KEYMOD_CTRL, false, false));
+
 		// Back tab.
 		assertKeysEquals("\033[Z", KeyHandler.getCode(KeyEvent.KEYCODE_TAB, KeyHandler.KEYMOD_SHIFT, false, false));