diff --git a/entities.go b/entities.go
index 405bf30..59d115c 100644
--- a/entities.go
+++ b/entities.go
@@ -15,7 +15,7 @@ type lister interface {
 }
 
 type updater interface {
-	update(int64, *entity, Claims) *appError
+	update(int64, *entity, string, Claims) *appError
 	unmarshal([]byte) (entity, error)
 }
 
diff --git a/handlers.go b/handlers.go
index 895cf5b..902454e 100644
--- a/handlers.go
+++ b/handlers.go
@@ -182,7 +182,7 @@ func handleUpdater(u updater) errorHandler {
 
 		claims := getClaims(r)
 
-		appErr := u.update(id, &e, claims)
+		appErr := u.update(id, &e, mux.Vars(r)["genus"], claims)
 		if appErr != nil {
 			return appErr
 		}
diff --git a/species.go b/species.go
index a416fbf..0cf735e 100644
--- a/species.go
+++ b/species.go
@@ -145,13 +145,13 @@ func (s SpeciesService) get(id int64, genus string, claims Claims) (entity, *app
 	return &payload, nil
 }
 
-func (s SpeciesService) update(id int64, e *entity, claims Claims) *appError {
+func (s SpeciesService) update(id int64, e *entity, genus string, claims Claims) *appError {
 	payload := (*e).(*SpeciesPayload)
 	payload.Species.UpdatedBy = claims.Sub
 	payload.Species.UpdatedAt = currentTime()
 	payload.Species.Id = id
 
-	genus_id, err := genusIdFromName(payload.Species.GenusName)
+	genus_id, err := genusIdFromName(genus)
 	if err != nil {
 		return newJSONError(err, http.StatusInternalServerError)
 	}
@@ -165,12 +165,12 @@ func (s SpeciesService) update(id int64, e *entity, claims Claims) *appError {
 		return ErrSpeciesNotUpdatedJSON
 	}
 
-	species, err := getSpecies(id, payload.Species.GenusName)
+	species, err := getSpecies(id, genus)
 	if err != nil {
 		return newJSONError(err, http.StatusInternalServerError)
 	}
 
-	strains, err := strainsFromSpeciesId(id, payload.Species.GenusName)
+	strains, err := strainsFromSpeciesId(id, genus)
 	if err != nil {
 		return newJSONError(err, http.StatusInternalServerError)
 	}
@@ -179,7 +179,7 @@ func (s SpeciesService) update(id int64, e *entity, claims Claims) *appError {
 	payload.Strains = strains
 	payload.Meta = &SpeciesMeta{
 		CanAdd:  canAdd(claims),
-		CanEdit: canEdit(claims, map[int64]int64{payload.Species.Id: payload.Species.CreatedBy}),
+		CanEdit: canEdit(claims, map[int64]int64{species.Id: species.CreatedBy}),
 	}
 
 	return nil
diff --git a/strains.go b/strains.go
index 20f6ca3..e530dba 100644
--- a/strains.go
+++ b/strains.go
@@ -149,7 +149,7 @@ func (s StrainService) get(id int64, genus string, claims Claims) (entity, *appE
 	return &payload, nil
 }
 
-func (s StrainService) update(id int64, e *entity, claims Claims) *appError {
+func (s StrainService) update(id int64, e *entity, genus string, claims Claims) *appError {
 	payload := (*e).(*StrainPayload)
 	payload.Strain.UpdatedBy = claims.Sub
 	payload.Strain.UpdatedAt = currentTime()
@@ -163,7 +163,25 @@ func (s StrainService) update(id int64, e *entity, claims Claims) *appError {
 		return ErrStrainNotUpdatedJSON
 	}
 
-	// TODO: add species and meta to payload
+	strain, err := getStrain(id, genus)
+	if err != nil {
+		return newJSONError(err, http.StatusInternalServerError)
+	}
+
+	species, err := getSpecies(strain.SpeciesId, genus)
+	if err != nil {
+		return newJSONError(err, http.StatusInternalServerError)
+	}
+
+	var many_species ManySpecies = []*Species{species}
+
+	payload.Strain = strain
+
+	payload.Species = &many_species
+	payload.Meta = &StrainMeta{
+		CanAdd:  canAdd(claims),
+		CanEdit: canEdit(claims, map[int64]int64{strain.Id: strain.CreatedBy}),
+	}
 
 	return nil
 }
diff --git a/users.go b/users.go
index 1e6e7b9..31d35b5 100644
--- a/users.go
+++ b/users.go
@@ -145,7 +145,7 @@ func (u UserService) list(val *url.Values, claims Claims) (entity, *appError) {
 	return &users, nil
 }
 
-func (u UserService) get(id int64, genus string, claims Claims) (entity, *appError) {
+func (u UserService) get(id int64, dummy string, claims Claims) (entity, *appError) {
 	var user User
 	q := `SELECT id, email, 'password' AS password, name, role,
 		created_at, updated_at, deleted_at
@@ -162,7 +162,7 @@ func (u UserService) get(id int64, genus string, claims Claims) (entity, *appErr
 	return &user, nil
 }
 
-func (u UserService) update(id int64, e *entity, claims Claims) *appError {
+func (u UserService) update(id int64, e *entity, dummy string, claims Claims) *appError {
 	user := (*e).(*User)
 	user.UpdatedAt = currentTime()
 	user.Id = id