diff --git a/src/zm_monitor.cpp b/src/zm_monitor.cpp
index f3626a908..980b92b64 100644
--- a/src/zm_monitor.cpp
+++ b/src/zm_monitor.cpp
@@ -2067,7 +2067,7 @@ Monitor *Monitor::Load(MYSQL_ROW dbrow, bool load_zones, Purpose purpose) {
   int colour = atoi(dbrow[col]); col++;
 
   const char *event_prefix = dbrow[col]; col ++;
-  const char *label_format = dbrow[col]; col ++;
+  const char *label_format = dbrow[col] ? dbrow[col] : ""; col ++;
   Coord label_coord = Coord( atoi(dbrow[col]), atoi(dbrow[col+1]) ); col += 2;
   int label_size = atoi(dbrow[col]); col++;