diff --git a/README.md b/README.md
index 945d5cb..c52f8d0 100644
--- a/README.md
+++ b/README.md
@@ -97,6 +97,8 @@ It is possible to link multiple `StorageClass` and `VolumeReplicationClass` obje
 
 The controller also knows that the `production-ssd-daily` `VolumeReplicationClass` can be selected using the `daily` selector.
 
+Note that the `provisioner` of the `VolumeReplicationClass` must match the `provisioner` of the `StorageClass` it is linked to.
+
 #### 3. Annotate your PVC or Namespace
 
 Add the `replication.superphenix.net/classSelector` annotation to your PVC or its Namespace:
diff --git a/internal/replicator/vrc.go b/internal/replicator/vrc.go
index b6a02bf..dc33c4e 100644
--- a/internal/replicator/vrc.go
+++ b/internal/replicator/vrc.go
@@ -129,6 +129,8 @@ func filterVrcFromSelector(group, selector, pvcProvisioner string) ([]string, er
 		// Allow the pvcProvisioner to be empty, as some CSI may not place it in any annotation.
 		if vrcProvisioner == pvcProvisioner || pvcProvisioner == "" {
 			classes = append(classes, item.GetName())
+		} else {
+			klog.V(2).Infof("discarded VRC %s as it doesn't have the same provisioner as the PVC, got %s, expected %s", item.GetName(), vrcProvisioner, pvcProvisioner)
 		}
 	}