diff --git a/checks/disk_usage_check.sh b/checks/disk_usage_check.sh
index de2a5e5..fb4a477 100644
--- a/checks/disk_usage_check.sh
+++ b/checks/disk_usage_check.sh
@@ -14,7 +14,7 @@ for m in $MOUNTS; do
   PCT=$(echo "$LINE" | awk '{print $3}')
 
   INODE_LINE=$(df -i "$m" 2>/dev/null | awk 'NR==2 {print $5}' | tr -d '%' || echo "0")
-  INODE_PCT="${INODE_LINE:-0}"
+  INODE_PCT=$(echo "${INODE_LINE:-0}" | sed 's/-/0/')
 
   KEY=$(echo "$m" | sed 's|/|_|g' | sed 's|^_||')
   [ -z "$KEY" ] && KEY="root"
diff --git a/internal/checkdefaults/defaults.go b/internal/checkdefaults/defaults.go
index c8c4b72..f737f1c 100644
--- a/internal/checkdefaults/defaults.go
+++ b/internal/checkdefaults/defaults.go
@@ -196,9 +196,9 @@ func Ensure(ctx context.Context, tx pgx.Tx, entityID uuid.UUID, slug, entityType
 		configJSON, _ := json.Marshal(configMap)
 
 		_, _ = tx.Exec(ctx,
-			`INSERT INTO check_defs (entity_id, kind, config, interval_s, timeout_s, enabled)
-			 VALUES ($1, $2, $3, $4, 30, true)
+			`INSERT INTO check_defs (entity_id, target_id, kind, config, interval_s, timeout_s, enabled)
+			 VALUES ($1, $2, $3, $4, $5, 30, true)
 			 ON CONFLICT (entity_id) DO NOTHING`,
-			checkID, def.Kind, configJSON, DefaultInterval(def.Kind))
+			checkID, entityID, def.Kind, configJSON, DefaultInterval(def.Kind))
 	}
 }