diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 6dab90f68515a573e710415c038b7b8c32daf9a5..4847a9280505bae622c03a074d46decb3023d591 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -319,7 +319,7 @@ static unsigned long quick_pit_calibrate(void)
 		/*
 		 * Make sure we can rely on the second TSC timestamp:
 		 */
-		if (!pit_expect_msb(--expect))
+		if (!pit_expect_msb(expect))
 			goto failed;
 
 		/*