diff --git a/controller/notecontroller.php b/controller/notecontroller.php
index e203012..0b9534f 100644
--- a/controller/notecontroller.php
+++ b/controller/notecontroller.php
@@ -167,6 +167,8 @@ class NoteController extends Controller {
 		}
 		$oldcolorid = $note->getColorId();
 
+		$this->notesharemapper->deleteByNoteId($note->getId());
+
 		// Delete note.
 		$this->notemapper->delete($note);
 
@@ -178,4 +180,4 @@ class NoteController extends Controller {
 
 		return new DataResponse($note);
 	}
-}
\ No newline at end of file
+}
diff --git a/db/notesharemapper.php b/db/notesharemapper.php
index 108db20..3b98571 100644
--- a/db/notesharemapper.php
+++ b/db/notesharemapper.php
@@ -25,4 +25,9 @@ class NoteShareMapper extends Mapper {
 		$sql = 'SELECT * FROM *PREFIX*quicknotes_shares WHERE shared_group = ?';
 		return $this->findEntities($sql, [$groupId]);
 	}
+
+	public function deleteByNoteId($noteId) {
+		$sql = 'DELETE FROM *PREFIX*quicknotes_shares WHERE note_id = ?';
+		$this->execute($sql, [$noteId]);
+	}
 }