diff --git a/c64/kernal/scan_keyboard.s b/c64/kernal/scan_keyboard.s
index bd84f067..ed8c678a 100644
--- a/c64/kernal/scan_keyboard.s
+++ b/c64/kernal/scan_keyboard.s
@@ -220,7 +220,7 @@ Main:
 	;; //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 	;; // Check for Port Activity
 
-	stx $dc00       ;// Connect all Keyboard Rows
+	sty $dc00       ;// Connect all Keyboard Rows
 	cpx $dc01
 	bne skip0
 	jmp NoActivityDetected