--- a/master/globals.h	Tue Nov 20 14:53:36 2012 +0100
+++ b/master/globals.h	Thu Nov 29 10:15:40 2012 +0100
@@ -182,7 +182,7 @@
  */
 typedef struct {
     uint32_t cycle_time; /**< Cycle time [ns]. */
-    uint32_t shift_time; /**< Shift time [ns]. */
+    int32_t shift_time; /**< Shift time [ns]. */
 } ec_sync_signal_t;
 
 /** Access states for SDO entries.