diff --git a/plugins/in_calyptia_fleet/in_calyptia_fleet.c b/plugins/in_calyptia_fleet/in_calyptia_fleet.c
index 3cf1631f197..90ce89ffeff 100644
--- a/plugins/in_calyptia_fleet/in_calyptia_fleet.c
+++ b/plugins/in_calyptia_fleet/in_calyptia_fleet.c
@@ -273,6 +273,10 @@ static int is_old_fleet_config(struct flb_in_calyptia_fleet_config *ctx, struct
     int ret = FLB_FALSE;
 
 
+    if (cfg == NULL) {
+        return FLB_FALSE;
+    }
+
     if (cfg->conf_path_file == NULL) {
         return FLB_FALSE;
     }