diff --git a/core/src/test/java/org/elasticsearch/cluster/routing/allocation/FilterAllocationDeciderTests.java b/core/src/test/java/org/elasticsearch/cluster/routing/allocation/FilterAllocationDeciderTests.java
index 507ebd53356..5ec162eb719 100644
--- a/core/src/test/java/org/elasticsearch/cluster/routing/allocation/FilterAllocationDeciderTests.java
+++ b/core/src/test/java/org/elasticsearch/cluster/routing/allocation/FilterAllocationDeciderTests.java
@@ -28,6 +28,7 @@ import org.elasticsearch.cluster.node.DiscoveryNode;
 import org.elasticsearch.cluster.node.DiscoveryNodes;
 import org.elasticsearch.cluster.routing.RecoverySource;
 import org.elasticsearch.cluster.routing.RoutingTable;
+import org.elasticsearch.cluster.routing.ShardRouting;
 import org.elasticsearch.cluster.routing.allocation.allocator.BalancedShardsAllocator;
 import org.elasticsearch.cluster.routing.allocation.decider.AllocationDeciders;
 import org.elasticsearch.cluster.routing.allocation.decider.Decision;
@@ -81,11 +82,17 @@ public class FilterAllocationDeciderTests extends ESAllocationTestCase {
             state.getRoutingNodes().node("node2"), allocation);
         assertEquals(Type.YES, decision.type());
         assertEquals("node passes include/exclude/require filters", decision.getExplanation());
+        ShardRouting primaryShard = routingTable.index("idx").shard(0).primaryShard();
         decision = (Decision.Single) filterAllocationDecider.canAllocate(
             routingTable.index("idx").shard(0).primaryShard(),
             state.getRoutingNodes().node("node1"), allocation);
         assertEquals(Type.NO, decision.type());
-        assertEquals("initial allocation of the index is only allowed on nodes [_id:\"node2\"]", decision.getExplanation());
+        if (primaryShard.recoverySource().getType() == RecoverySource.Type.LOCAL_SHARDS) {
+            assertEquals("initial allocation of the shrunken index is only allowed on nodes [_id:\"node2\"] that " +
+                         "hold a copy of every shard in the index", decision.getExplanation());
+        } else {
+            assertEquals("initial allocation of the index is only allowed on nodes [_id:\"node2\"]", decision.getExplanation());
+        }
 
         state = service.reroute(state, "try allocate again");
         routingTable = state.routingTable();