diff --git a/changelog/unreleased/fix-mentix-auth-status.md b/changelog/unreleased/fix-mentix-auth-status.md
new file mode 100644
index 0000000000..84918adda3
--- /dev/null
+++ b/changelog/unreleased/fix-mentix-auth-status.md
@@ -0,0 +1,5 @@
+Bugfix: Mentix site authorization status changes
+
+If a site changes its authorization status, Mentix did not update its internal data to reflect this change. This PR fixes this issue.
+
+https://github.com/cs3org/reva/pull/1634
diff --git a/pkg/mentix/connectors/localfile.go b/pkg/mentix/connectors/localfile.go
index ed521353fc..8ed918ec31 100755
--- a/pkg/mentix/connectors/localfile.go
+++ b/pkg/mentix/connectors/localfile.go
@@ -25,6 +25,7 @@ import (
 	"os"
 	"path/filepath"
 
+	"github.com/pkg/errors"
 	"github.com/rs/zerolog"
 
 	"github.com/cs3org/reva/pkg/mentix/config"
@@ -66,19 +67,17 @@ func (connector *LocalFileConnector) Activate(conf *config.Configuration, log *z
 func (connector *LocalFileConnector) RetrieveMeshData() (*meshdata.MeshData, error) {
 	jsonData, err := ioutil.ReadFile(connector.filePath)
 	if err != nil {
-		connector.log.Warn().Err(err).Msgf("unable to read file '%v'", connector.filePath)
-		return &meshdata.MeshData{}, nil
+		return nil, errors.Wrapf(err, "unable to read file '%v'", connector.filePath)
 	}
 
 	meshData := &meshdata.MeshData{}
-	if err := json.Unmarshal(jsonData, &meshData.Sites); err == nil {
-		// Enforce site types
-		connector.setSiteTypes(meshData)
-		meshData.InferMissingData()
-	} else {
-		connector.log.Warn().Err(err).Msgf("invalid file '%v'", connector.filePath)
+	if err := json.Unmarshal(jsonData, &meshData.Sites); err != nil {
+		return nil, errors.Wrapf(err, "invalid file '%v'", connector.filePath)
 	}
 
+	connector.setSiteTypes(meshData)
+	meshData.InferMissingData()
+
 	return meshData, nil
 }
 
diff --git a/pkg/mentix/exchangers/exchanger.go b/pkg/mentix/exchangers/exchanger.go
index 908b2ba27d..341442b979 100644
--- a/pkg/mentix/exchangers/exchanger.go
+++ b/pkg/mentix/exchangers/exchanger.go
@@ -134,7 +134,7 @@ func (exchanger *BaseExchanger) cloneMeshData(clean bool) *meshdata.MeshData {
 		cleanedSites := make([]*meshdata.Site, 0, len(meshDataClone.Sites))
 		for _, site := range meshDataClone.Sites {
 			// Only keep authorized sites
-			if site.IsAuthorized() {
+			if site.IsAuthorized {
 				cleanedSites = append(cleanedSites, site)
 			}
 		}
diff --git a/pkg/mentix/mentix.go b/pkg/mentix/mentix.go
index cb499ae870..856d857af2 100644
--- a/pkg/mentix/mentix.go
+++ b/pkg/mentix/mentix.go
@@ -208,8 +208,7 @@ func (mntx *Mentix) tick(updateTimestamp *time.Time) {
 	if meshDataUpdated || time.Since(*updateTimestamp) >= mntx.updateInterval {
 		// Retrieve and update the mesh data; if the importers modified any data, these changes will
 		// be reflected automatically here
-		meshDataSet, err := mntx.retrieveMeshDataSet()
-		if err == nil {
+		if meshDataSet, err := mntx.retrieveMeshDataSet(); err == nil {
 			if err := mntx.applyMeshDataSet(meshDataSet); err != nil {
 				mntx.log.Err(err).Msg("failed to apply mesh data")
 			}
@@ -244,10 +243,11 @@ func (mntx *Mentix) retrieveMeshDataSet() (meshdata.Map, error) {
 
 	for _, connector := range mntx.connectors.Connectors {
 		meshData, err := connector.RetrieveMeshData()
-		if err != nil {
-			return nil, fmt.Errorf("retrieving mesh data from connector '%v' failed: %v", connector.GetName(), err)
+		if err == nil {
+			meshDataSet[connector.GetID()] = meshData
+		} else {
+			mntx.log.Err(err).Msgf("retrieving mesh data from connector '%v' failed", connector.GetName())
 		}
-		meshDataSet[connector.GetID()] = meshData
 	}
 
 	return meshDataSet, nil
diff --git a/pkg/mentix/meshdata/site.go b/pkg/mentix/meshdata/site.go
index e48ab6c363..a6fdae8f42 100644
--- a/pkg/mentix/meshdata/site.go
+++ b/pkg/mentix/meshdata/site.go
@@ -39,7 +39,9 @@ type SiteType int
 
 // Site represents a single site managed by Mentix.
 type Site struct {
-	Type SiteType `json:"-"`
+	// Internal settings
+	Type         SiteType `json:"-"`
+	IsAuthorized bool     `json:"-"`
 
 	ID           string
 	Name         string
@@ -116,6 +118,8 @@ func (site *Site) Verify() error {
 // InferMissingData infers missing data from other data where possible.
 func (site *Site) InferMissingData() {
 	// Infer missing data
+	site.IsAuthorized = site.getAuthorizationStatus()
+
 	if site.Homepage == "" {
 		site.Homepage = fmt.Sprintf("http://www.%v", site.Domain)
 	} else if site.Domain == "" {
@@ -130,9 +134,7 @@ func (site *Site) InferMissingData() {
 	}
 }
 
-// IsAuthorized checks whether the site is authorized. ScienceMesh are always authorized, while for community sites,
-// the accounts service is queried.
-func (site *Site) IsAuthorized() bool {
+func (site *Site) getAuthorizationStatus() bool {
 	// ScienceMesh sites are always authorized
 	if site.Type == SiteTypeScienceMesh {
 		return true