diff --git a/src/bin/pg_upgrade/controldata.c b/src/bin/pg_upgrade/controldata.c
new file mode 100644
index 1f7b65e..aaaea7b
*** a/src/bin/pg_upgrade/controldata.c
--- b/src/bin/pg_upgrade/controldata.c
*************** get_control_data(ClusterInfo *cluster, b
*** 198,203 ****
--- 198,206 ----
  			cluster->controldata.chkpnt_nxtepoch = str2uint(p);
  
  			p = strchr(p, '/');
+ 			/* delimiter changed from '/' to ':' in 9.6 */
+ 			if (p == NULL && GET_MAJOR_VERSION(cluster->major_version) >= 906)
+ 				p = strchr(p, ':');
  			if (p == NULL || strlen(p) <= 1)
  				pg_fatal("%d: controldata retrieval problem\n", __LINE__);