diff --git a/packages/vulcan-lib/lib/server/mutators.js b/packages/vulcan-lib/lib/server/mutators.js
index fb20a00dc..cf6d856fd 100644
--- a/packages/vulcan-lib/lib/server/mutators.js
+++ b/packages/vulcan-lib/lib/server/mutators.js
@@ -65,6 +65,9 @@ export const createMutator = async ({
   // we don't want to modify the original document
   document = data || document;
 
+  // clean document
+  document = collection.simpleSchema().clean(document);
+
   const { collectionName, typeName } = collection.options;
   const schema = collection.simpleSchema()._schema;
 
@@ -241,6 +244,9 @@ export const updateMutator = async ({
   const { collectionName, typeName } = collection.options;
   const schema = collection.simpleSchema()._schema;
 
+  // clean data
+  data = collection.simpleSchema().clean(data);
+
   // OpenCRUD backwards compatibility
   selector = selector || { _id: documentId };
   data = data || modifierToData({ $set: set, $unset: unset });