diff --git a/src/ckdb.c b/src/ckdb.c
index 07e8b056..c0305a38 100644
--- a/src/ckdb.c
+++ b/src/ckdb.c
@@ -272,6 +272,8 @@ static tv_t reload_timestamp;
  * workinfo and sharesummary */
 int64_t dbload_workinfoid_start = -1;
 int64_t dbload_workinfoid_finish = MAXID;
+// Only restrict sharesummary, not workinfo
+bool dbload_only_sharesummary = false;
 
 // DB users,workers,auth load is complete
 bool db_auths_complete = false;
@@ -1235,6 +1237,8 @@ static bool setup_data()
 	if (dbload_workinfoid_start != -1) {
 		LOGWARNING("WARNING: dbload starting at workinfoid %"PRId64,
 			   dbload_workinfoid_start);
+		if (dbload_only_sharesummary)
+			LOGWARNING("NOTICE: dbload only restricting sharesummary");
 	}
 
 	if (!getdata3() || everyone_die)
@@ -3567,7 +3571,15 @@ int main(int argc, char **argv)
 			case 'w':
 				// Don't use this :)
 				{
-					int64_t start = atoll(optarg);
+					char *ptr = optarg;
+					int64_t start;
+
+					if (*ptr == 's') {
+						dbload_only_sharesummary = true;
+						ptr++;
+					}
+
+					start = atoll(ptr);
 					if (start < 0) {
 						quit(1, "Invalid workinfoid start"
 						     " %"PRId64" - must be >= 0",
diff --git a/src/ckdb.h b/src/ckdb.h
index b25150c2..ef97eb84 100644
--- a/src/ckdb.h
+++ b/src/ckdb.h
@@ -52,7 +52,7 @@
 
 #define DB_VLOCK "1"
 #define DB_VERSION "0.9.5"
-#define CKDB_VERSION DB_VERSION"-0.650"
+#define CKDB_VERSION DB_VERSION"-0.651"
 
 #define WHERE_FFL " - from %s %s() line %d"
 #define WHERE_FFL_HERE __FILE__, __func__, __LINE__
@@ -240,6 +240,8 @@ extern int64_t confirm_last_workinfoid;
  * workinfo and sharesummary */
 extern int64_t dbload_workinfoid_start;
 extern int64_t dbload_workinfoid_finish;
+// Only restrict sharesummary, not workinfo
+extern bool dbload_only_sharesummary;
 
 // DB users,workers,auth load is complete
 extern bool db_auths_complete;
diff --git a/src/ckdb_dbio.c b/src/ckdb_dbio.c
index c5a23fda..7d5bddd7 100644
--- a/src/ckdb_dbio.c
+++ b/src/ckdb_dbio.c
@@ -2274,7 +2274,10 @@ bool workinfo_fill(PGconn *conn)
 		"  workinfoid in (select workinfoid from blocks) )";
 	par = 0;
 	params[par++] = tv_to_buf((tv_t *)(&default_expiry), NULL, 0);
-	params[par++] = bigint_to_buf(dbload_workinfoid_start, NULL, 0);
+	if (dbload_only_sharesummary)
+		params[par++] = bigint_to_buf(-1, NULL, 0);
+	else
+		params[par++] = bigint_to_buf(dbload_workinfoid_start, NULL, 0);
 	params[par++] = bigint_to_buf(dbload_workinfoid_finish, NULL, 0);
 	PARCHK(par, params);
 	res = PQexecParams(conn, sel, par, NULL, (const char **)params, NULL, NULL, 0, CKPQ_READ);