diff --git a/server/handler/vmModify.go b/server/handler/vmModify.go
index d52f44b..41ba0bc 100644
--- a/server/handler/vmModify.go
+++ b/server/handler/vmModify.go
@@ -24,7 +24,7 @@ func (h *Handler) VmModify(w http.ResponseWriter, r *http.Request) {
 	params := queries.CreateUpdateParams{}
 	var unixTimestamp int64
 
-	//re := regexp.MustCompile(`/([^/]+)/[^/]+\.vmdk$`)
+	re := regexp.MustCompile(`/([^/]+)/[^/]+\.vmdk$`)
 
 	reqBody, err := io.ReadAll(r.Body)
 	if err != nil {
@@ -102,6 +102,21 @@ func (h *Handler) VmModify(w http.ResponseWriter, r *http.Request) {
 					for i := range testConfig.DeviceChange {
 						if testConfig.DeviceChange[i].Device.Backing != nil {
 							h.Logger.Debug("Found backing in configspec", "backing", testConfig.DeviceChange[i].Device.Backing)
+
+							// Find the match
+							backingFile := testConfig.DeviceChange[i].Device.Backing.FileName
+							matches := re.FindStringSubmatch(backingFile)
+							if len(matches) < 2 {
+								h.Logger.Warn("unable to match regex", "backing_filename", backingFile, "match_count", len(matches))
+							} else {
+								h.Logger.Debug("Matched regex", "disk_owner", matches[1])
+
+								if strings.ToLower(matches[1]) == strings.ToLower(event.CloudEvent.Data.VM.Name) {
+									h.Logger.Debug("This disk belongs to this VM")
+								} else {
+									h.Logger.Debug("This disk belongs to a different VM, don't record this config change")
+								}
+							}
 						}
 					}
 				}