diff --git a/bin/datastore.py b/bin/datastore.py
index 3da14b1..b907dff 100644
--- a/bin/datastore.py
+++ b/bin/datastore.py
@@ -163,6 +163,29 @@ class Datastore:
 			# we assume that we are in the middle of a transaction
 		return res
 
+	def set_ntbp(self, path, ntbp, cursor = None):
+		"""
+		Set or remove a sequence's NTBP flag
+		"""
+		if cursor is None:
+			cur = self.conn.cursor()
+		else:
+			cur = cursor
+
+		hash = file_hash(path)
+		qry = """
+			UPDATE raw_lines rl
+			SET ntbp = %s
+			FROM raw_shots rs, files f
+			WHERE rs.hash = f.hash AND rs.sequence = rl.sequence AND f.hash = %s;
+		"""
+		cur.execute(qry, (ntbp, hash))
+
+		if cursor is None:
+			self.maybe_commit()
+			# We do not commit if we've been passed a cursor, instead
+			# we assume that we are in the middle of a transaction
+
 	def save_preplots(self, lines, path, preplot_class, epsg = 0):
 		"""
 		Save preplot data.
diff --git a/bin/import_raw_p111.py b/bin/import_raw_p111.py
index 79f6ba9..e8e781c 100755
--- a/bin/import_raw_p111.py
+++ b/bin/import_raw_p111.py
@@ -51,6 +51,11 @@ if __name__ == '__main__':
 					filepath = str(filepath)
 					print(f"Found {filepath}")
 
+					if ntbpRx:
+						ntbp = ntbpRx.search(filepath) is not None
+					else:
+						ntbp = False
+
 					if not db.file_in_db(filepath):
 						print("Importing")
 
@@ -62,10 +67,6 @@ if __name__ == '__main__':
 							continue
 
 						file_info = dict(zip(pattern["captures"], match.groups()))
-						if ntbpRx:
-							ntbp = ntbpRx.match(filepath) is not None
-						else:
-							ntbp = False
 
 						p111_data = p111.from_file(filepath)
 
@@ -77,5 +78,11 @@ if __name__ == '__main__':
 					else:
 						print("Already in DB")
 
+					# Update the NTBP status to whatever the latest is,
+					# as it might have changed.
+					db.set_ntbp(filepath, ntbp)
+					if ntbp:
+						print("Sequence is NTBP")
+
 	print("Done")