diff --git a/backend/crypt/crypt.go b/backend/crypt/crypt.go
index b1c8111d0..f3eb8317d 100644
--- a/backend/crypt/crypt.go
+++ b/backend/crypt/crypt.go
@@ -235,7 +235,7 @@ func NewFs(ctx context.Context, name, rpath string, m configmap.Mapper) (fs.Fs,
 	// the features here are ones we could support, and they are
 	// ANDed with the ones from wrappedFs
 	f.features = (&fs.Features{
-		CaseInsensitive:         cipher.NameEncryptionMode() == NameEncryptionOff,
+		CaseInsensitive:         !cipher.dirNameEncrypt || cipher.NameEncryptionMode() == NameEncryptionOff,
 		DuplicateFiles:          true,
 		ReadMimeType:            false, // MimeTypes not supported with crypt
 		WriteMimeType:           false,
diff --git a/docs/content/crypt.md b/docs/content/crypt.md
index 813aa0830..2b0550246 100644
--- a/docs/content/crypt.md
+++ b/docs/content/crypt.md
@@ -455,6 +455,7 @@ Properties:
     - "off"
         - Don't encrypt the file names.
         - Adds a ".bin" extension only.
+        - May cause problems on [case insensitive](/overview/#case-insensitive) [storage systems](/overview/#features) like OneDrive, Dropbox, Windows, OSX and SMB.
 
 #### --crypt-directory-name-encryption
 
@@ -473,6 +474,7 @@ Properties:
         - Encrypt directory names.
     - "false"
         - Don't encrypt directory names, leave them intact.
+        - May cause problems on [case insensitive](/overview/#case-insensitive) [storage systems](/overview/#features) like OneDrive, Dropbox, Windows, OSX and SMB.
 
 #### --crypt-password