diff --git a/ext/raw1394/gst1394clock.c b/ext/raw1394/gst1394clock.c
index a14e2a28c6..6f1546adcb 100644
--- a/ext/raw1394/gst1394clock.c
+++ b/ext/raw1394/gst1394clock.c
@@ -128,7 +128,7 @@ gst_1394_clock_get_internal_time (GstClock * clock)
     result = (((((guint64) _1394clock->cycle_timer_hi) << 32) |
             cycle_timer) >> 25) * GST_SECOND;
     /* add the microseconds from the cycleCount counter */
-    result += (((cycle_timer >> 13) & 0x1fff) * 125) * GST_USECOND;
+    result += (((cycle_timer >> 12) & 0x1fff) * 125) * GST_USECOND;
 
     GST_LOG_OBJECT (clock, "result %" GST_TIME_FORMAT, GST_TIME_ARGS (result));
   } else {