diff --git a/src/main/kotlin/com/restapi/controllers/Filters.kt b/src/main/kotlin/com/restapi/controllers/Filters.kt
index 1f19415..66d18ca 100644
--- a/src/main/kotlin/com/restapi/controllers/Filters.kt
+++ b/src/main/kotlin/com/restapi/controllers/Filters.kt
@@ -118,10 +118,11 @@ fun <T> applyVendorHelper(q: io.ebean.ExpressionList<T>, vids: List<Long>?) {
 
 fun <T> applyPlantFilter(q: io.ebean.ExpressionList<T>, vids: List<Long>?) {
 
-    if (vids.isNullOrEmpty()) {
+    val v = vids?.filter { it > 0 } ?: emptyList()
+    if (v.isEmpty()) {
         q.`in`("unloadingPlantId", Session.currentUserPlants().map { it.plantId })
     } else {
-        q.`in`("unloadingPlantId", vids.map { it.toString() })
+        q.`in`("unloadingPlantId", v.map { it.toString() })
     }
 }