diff --git a/.gitignore b/.gitignore
index 70fdea0..ea8c4bf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1 @@
 /target
-/tuta-repo
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..84edd70
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "tuta-repo"]
+	path = tuta-repo
+	url = https://github.com/spartanz51/tutanota.git
+	branch = feat/rust-sdk-blob-read
diff --git a/src/tuta.rs b/src/tuta.rs
index aa72cee..7cd7681 100644
--- a/src/tuta.rs
+++ b/src/tuta.rs
@@ -85,7 +85,7 @@ impl TutaSession {
         mail: &Mail,
     ) -> Result<Option<MailDetailsBlob>, ApiCallError> {
         if mail.mailDetails.is_some() {
-            let blob = self.logged_in.load_mail_details_blob(mail).await?;
+            let blob = self.logged_in.mail_facade().load_mail_details_blob(mail).await?;
             Ok(Some(blob))
         } else {
             Ok(None)
diff --git a/tuta-repo b/tuta-repo
new file mode 160000
index 0000000..e61ea25
--- /dev/null
+++ b/tuta-repo
@@ -0,0 +1 @@
+Subproject commit e61ea250586bfe7075d799fc76c3d869add5afb1