diff --git a/cura/UltimakerCloud/CloudMaterialSync.py b/cura/UltimakerCloud/CloudMaterialSync.py
index 210fc23898..dbfa8bbc8a 100644
--- a/cura/UltimakerCloud/CloudMaterialSync.py
+++ b/cura/UltimakerCloud/CloudMaterialSync.py
@@ -148,6 +148,9 @@ class CloudMaterialSync(QObject):
                 continue
             if metadata["id"] == "empty_material":  # Don't export the empty material.
                 continue
+            # Ignore materials that are marked as not visible for whatever reason
+            if not bool(metadata.get("visible", True)):
+                continue
             material = registry.findContainers(id = metadata["id"])[0]
             suffix = registry.getMimeTypeForContainer(type(material)).preferredSuffix
             filename = metadata["id"] + "." + suffix
diff --git a/plugins/UM3NetworkPrinting/src/Network/SendMaterialJob.py b/plugins/UM3NetworkPrinting/src/Network/SendMaterialJob.py
index 32e20892ac..9f5484ba15 100644
--- a/plugins/UM3NetworkPrinting/src/Network/SendMaterialJob.py
+++ b/plugins/UM3NetworkPrinting/src/Network/SendMaterialJob.py
@@ -173,7 +173,7 @@ class SendMaterialJob(Job):
 
         result = {}  # type: Dict[str, LocalMaterial]
         all_materials = CuraApplication.getInstance().getContainerRegistry().findInstanceContainersMetadata(type = "material")
-        all_base_files = [material for material in all_materials if material["id"] == material.get("base_file")]  # Don't send materials without base_file: The empty material doesn't need to be sent.
+        all_base_files = [material for material in all_materials if material["id"] == material.get("base_file") and material.get("visible", True)]  # Don't send materials without base_file: The empty material doesn't need to be sent.
 
         # Find the latest version of all material containers in the registry.
         for material_metadata in all_base_files: