diff --git a/src/hardware/keyboard.cpp b/src/hardware/keyboard.cpp
index 0a0a5c18..4991730c 100644
--- a/src/hardware/keyboard.cpp
+++ b/src/hardware/keyboard.cpp
@@ -115,7 +115,7 @@ static void write_p60(Bitu port,Bitu val,Bitu iolen) {
 			KEYBOARD_AddBuffer(0xfa);	/* Acknowledge */
 			break;
 		case 0xee:	/* Echo */
-			KEYBOARD_AddBuffer(0xfa);	/* Acknowledge */
+			KEYBOARD_AddBuffer(0xee);	/* Echo */
 			break;
 		case 0xf2:	/* Identify keyboard */
 			/* AT's just send acknowledge */