diff --git a/policy/flask/Makefile b/policy/flask/Makefile
index 5d6e954..17dc174 100644
--- a/policy/flask/Makefile
+++ b/policy/flask/Makefile
@@ -27,11 +27,11 @@ FLASK_NOWARNINGS = --nowarnings
 
 all:  $(USER_H) $(KERN_H)
 
-$(USER_H):
+$(USER_H): flask.py $(ACCESS_VECTORS_F) $(INITIAL_SIDS_F) $(SECURITY_CLASSES_F)
 	mkdir -p $(USER_D)
 	$(PYTHON) flask.py -a $(ACCESS_VECTORS_F) -i $(INITIAL_SIDS_F) -s $(SECURITY_CLASSES_F) -o $(USER_D) -u $(FLASK_NOWARNINGS)
 
-$(KERN_H):
+$(KERN_H): flask.py $(ACCESS_VECTORS_F) $(INITIAL_SIDS_F) $(SECURITY_CLASSES_F)
 	mkdir -p $(KERN_D) 
 	$(PYTHON) flask.py -a $(ACCESS_VECTORS_F) -i $(INITIAL_SIDS_F) -s $(SECURITY_CLASSES_F) -o $(KERN_D) -k $(FLASK_NOWARNINGS)
 
diff --git a/policy/flask/flask.py b/policy/flask/flask.py
index 82e45b3..9cc91f7 100644
--- a/policy/flask/flask.py
+++ b/policy/flask/flask.py
@@ -93,6 +93,7 @@ class Flask:
 		self.WARN = warn
 		self.autogen   = "/* This file is automatically generated.  Do not edit. */\n"
 		self.commons   = []
+		self.user_commons = []
 		self.common    = {}
 		self.classes   = []
 		self.vectors   = []
@@ -174,6 +175,7 @@ class Flask:
 		commons = []
 		common = {}
 		inherits = {}
+		user_commons = {}
 		input = open(path, 'r')
 
 		# states
@@ -205,6 +207,7 @@ class Flask:
 				if c in commons: raise DuplicateError, (self.COMMON, path, number, c)
 				commons.append(c)
 				common[c] = []
+				user_commons[c] = True
 				state = COMMON
 				continue
 
@@ -229,6 +232,7 @@ class Flask:
 				if i not in common: raise UndefinedError, (self.COMMON, path, number, i)
 				inherits[c] = i
 				state = INHERIT
+				if not self.userspace.has_key(c): user_commons[i] = False
 				continue
 
 			m = self.OPENB.search(line)
@@ -270,6 +274,7 @@ class Flask:
 		if cvdiff: raise UnusedError, "Not all security classes were used in access vectors: %s" % cvdiff # the inverse of this will be caught as an undefined class error
 
 		self.commons = commons
+		self.user_commons = user_commons
 		self.common = common
 		self.vectors = vectors
 		self.vector = vector
@@ -388,10 +393,12 @@ class Flask:
 		results = []
 		results.append(self.autogen)
 		for common in self.commons:
-			results.append("TB_(common_%s_perm_to_string)\n" % common)
-			for p in self.common[common]:
-				results.append("    S_(\"%s\")\n" % p)
-			results.append("TE_(common_%s_perm_to_string)\n\n" % common)
+			user = self.user_commons[common]
+			if not (mode == self.KERNEL and user):
+				results.append("TB_(common_%s_perm_to_string)\n" % common)
+				for p in self.common[common]:
+					results.append("    S_(\"%s\")\n" % p)
+				results.append("TE_(common_%s_perm_to_string)\n\n" % common)
 		return results
 	
 	def createFlaskH(self, mode = USERSPACE):