diff --git a/vms/platformvm/validators/manager.go b/vms/platformvm/validators/manager.go
index bf78a05cdc7e..6d1911cdb23c 100644
--- a/vms/platformvm/validators/manager.go
+++ b/vms/platformvm/validators/manager.go
@@ -164,15 +164,7 @@ func (m *manager) GetValidatorSet(ctx context.Context, height uint64, subnetID i
 			return nil, err
 		}
 	}
-	currentSubnetValidatorList := currentSubnetValidators.List()
-	subnetSet := make(map[ids.NodeID]*validators.GetValidatorOutput, len(currentSubnetValidatorList))
-	for _, vdr := range currentSubnetValidatorList {
-		subnetSet[vdr.NodeID] = &validators.GetValidatorOutput{
-			NodeID: vdr.NodeID,
-			// PublicKey will be picked from primary validators
-			Weight: vdr.Weight,
-		}
-	}
+	subnetSet := make(map[ids.NodeID]*validators.GetValidatorOutput, currentSubnetValidators.Len())
 
 	currentPrimaryNetworkValidators, ok := m.cfg.Validators.Get(constants.PrimaryNetworkID)
 	if !ok {
@@ -182,16 +174,19 @@ func (m *manager) GetValidatorSet(ctx context.Context, height uint64, subnetID i
 	currentPrimaryValidatorList := currentPrimaryNetworkValidators.List()
 	primarySet := make(map[ids.NodeID]*validators.GetValidatorOutput, len(currentPrimaryValidatorList))
 	for _, vdr := range currentPrimaryValidatorList {
+		if currentSubnetValidators.Contains(vdr.NodeID) {
+			subnetSet[vdr.NodeID] = &validators.GetValidatorOutput{
+				NodeID:    vdr.NodeID,
+				PublicKey: vdr.PublicKey,
+				Weight:    vdr.Weight,
+			}
+		}
+
 		primarySet[vdr.NodeID] = &validators.GetValidatorOutput{
 			NodeID:    vdr.NodeID,
 			PublicKey: vdr.PublicKey,
 			Weight:    vdr.Weight,
 		}
-
-		// fill PK from primary network
-		if _, found := subnetSet[vdr.NodeID]; found {
-			subnetSet[vdr.NodeID].PublicKey = vdr.PublicKey
-		}
 	}
 
 	for diffHeight := lastAcceptedHeight; diffHeight > height; diffHeight-- {
diff --git a/vms/platformvm/validators/manager_test.go b/vms/platformvm/validators/manager_test.go
index 43539771775a..acb173e099aa 100644
--- a/vms/platformvm/validators/manager_test.go
+++ b/vms/platformvm/validators/manager_test.go
@@ -397,6 +397,16 @@ func TestVM_GetValidatorSet(t *testing.T) {
 				mockSubnetVdrSet = validators.NewMockSet(ctrl)
 				mockSubnetVdrSet.EXPECT().List().Return(tt.currentSubnetValidators).AnyTimes()
 			}
+			mockSubnetVdrSet.EXPECT().Len().Return(len(tt.currentSubnetValidators)).AnyTimes()
+			mockSubnetVdrSet.EXPECT().Contains(gomock.Any()).DoAndReturn(func(nodeID ids.NodeID) bool {
+				for _, vdr := range tt.currentSubnetValidators {
+					if vdr.NodeID == nodeID {
+						return true
+					}
+				}
+
+				return false
+			}).AnyTimes()
 			vdrs.EXPECT().Get(tt.subnetID).Return(mockSubnetVdrSet, true).AnyTimes()
 
 			for _, vdr := range testValidators {