diff --git a/src/ckdb.h b/src/ckdb.h
index abb7a1d6..9466b669 100644
--- a/src/ckdb.h
+++ b/src/ckdb.h
@@ -51,7 +51,7 @@
 
 #define DB_VLOCK "1"
 #define DB_VERSION "1.0.4"
-#define CKDB_VERSION DB_VERSION"-1.910"
+#define CKDB_VERSION DB_VERSION"-1.911"
 
 #define WHERE_FFL " - from %s %s() line %d"
 #define WHERE_FFL_HERE __FILE__, __func__, __LINE__
diff --git a/src/ckdb_data.c b/src/ckdb_data.c
index 07304933..c32dfbfe 100644
--- a/src/ckdb_data.c
+++ b/src/ckdb_data.c
@@ -4622,7 +4622,7 @@ static bool gen_workmarkers(PGconn *conn, MARKS *stt, bool after, MARKS *fin,
 {
 	K_ITEM look, *wi_stt_item, *wi_fin_item, *old_wm_item;
 	WORKMARKERS *old_wm;
-	WORKINFO workinfo, *wi_stt = NULL, *wi_fin;
+	WORKINFO workinfo, *wi_stt = NULL, *wi_fin = NULL;
 	K_TREE_CTX ctx[1];
 	char description[TXT_BIG+1];
 	bool ok;
diff --git a/src/ckdb_dbio.c b/src/ckdb_dbio.c
index fc93117b..2a8dca66 100644
--- a/src/ckdb_dbio.c
+++ b/src/ckdb_dbio.c
@@ -1585,7 +1585,7 @@ bool workers_fill(PGconn *conn)
 {
 	ExecStatusType rescode;
 	PGresult *res;
-	K_ITEM *item;
+	K_ITEM *item = NULL;
 	int n, t, i;
 	WORKERS *row;
 	char *field;
@@ -2220,7 +2220,7 @@ bool payments_fill(PGconn *conn)
 {
 	ExecStatusType rescode;
 	PGresult *res;
-	K_ITEM *item;
+	K_ITEM *item = NULL;
 	PAYMENTS *row;
 	int n, t, i;
 	char *field;
@@ -2880,7 +2880,7 @@ bool workinfo_fill(PGconn *conn)
 	char ndiffbin[TXT_SML+1];
 	ExecStatusType rescode;
 	PGresult *res;
-	K_ITEM *item;
+	K_ITEM *item = NULL;
 	WORKINFO *row;
 	char *params[3];
 	int n, t, i, par = 0;
@@ -5437,7 +5437,7 @@ bool miningpayouts_fill(PGconn *conn)
 {
 	ExecStatusType rescode;
 	PGresult *res;
-	K_ITEM *item;
+	K_ITEM *item = NULL;
 	MININGPAYOUTS *row;
 	int n, t, i;
 	char *field;
@@ -6767,7 +6767,7 @@ bool markersummary_fill(PGconn *conn)
 {
 	ExecStatusType rescode;
 	PGresult *res;
-	K_ITEM *item, *p_item;
+	K_ITEM *item = NULL, *p_item;
 	int n, t, i, p_n;
 	MARKERSUMMARY *row, *p_row;
 	char *params[1];