diff --git a/lib/libsys/tsc_util.c b/lib/libsys/tsc_util.c
index 545991c9b..4c08e480a 100644
--- a/lib/libsys/tsc_util.c
+++ b/lib/libsys/tsc_util.c
@@ -62,7 +62,7 @@ micro_delay(u32_t micros)
 	CALIBRATE;
 
 	/* We have to know when to end the delay. */
-	end = add64(now, mul64u(micros, calib_mhz * 1000));
+	end = add64(now, mul64u(micros, calib_mhz));
 
 	/* If we have to wait for at least one HZ tick, use the regular
 	 * tickdelay first. Round downwards on purpose, so the average