diff --git a/google_cpm.c b/google_cpm.c
index f26b1c7..6889185 100644
--- a/google_cpm.c
+++ b/google_cpm.c
@@ -1553,6 +1553,8 @@
 		if (!dc_disable)
 			gcpm->dc_state = DC_IDLE;
 
+		gcpm->dc_start_time = 0;
+
 		gbms_logbuffer_prlog(gcpm->log, LOGLEVEL_INFO, 0, debug_printk_prlog,
 				     "PPS_Work: done%selap=%lld dc_state=%d %d->%d\n",
 				     dc_disable ? "for the session " : " ",