diff --git a/server/src/com/cloud/api/query/QueryManagerImpl.java b/server/src/com/cloud/api/query/QueryManagerImpl.java
index 3d908b48fc4..90455507261 100644
--- a/server/src/com/cloud/api/query/QueryManagerImpl.java
+++ b/server/src/com/cloud/api/query/QueryManagerImpl.java
@@ -1644,6 +1644,10 @@ public class QueryManagerImpl extends ManagerBase implements QueryService {
                 new VolumeJoinVO[result.first().size()]));
         for(VolumeResponse vr : volumeResponses) {
             String poolId = vr.getStoragePoolId();
+            if (poolId == null) {
+                continue;
+            }
+
             DataStore store = dataStoreManager.getPrimaryDataStore(poolId);
             if (store == null) {
                 continue;