diff --git a/src/octoprint/printer/profile.py b/src/octoprint/printer/profile.py
index f276fcb2..15610a88 100644
--- a/src/octoprint/printer/profile.py
+++ b/src/octoprint/printer/profile.py
@@ -370,6 +370,7 @@ class PrinterProfileManager(object):
 
 	def _save_to_path(self, path, profile, allow_overwrite=False):
 		self._migrate_profile(profile)
+		profile = dict_merge(self.__class__.default, profile)
 		validated_profile = self._ensure_valid_profile(profile)
 		if not validated_profile:
 			raise InvalidProfileError()