diff --git a/celloracle/network/regression_models.py b/celloracle/network/regression_models.py
index 702af1d..789efc3 100644
--- a/celloracle/network/regression_models.py
+++ b/celloracle/network/regression_models.py
@@ -105,6 +105,8 @@ def get_bagging_ridge_coefs(target_gene, gem, gem_scaled, TFdict, cellstate=None
         cellstate_name = list(cellstate.columns)
         reg_all += cellstate_name
 
+    # Sort to fix seed
+    reg_all = sorted(reg_all)
 
     # prepare learning data
     if scaling:
diff --git a/celloracle/version.py b/celloracle/version.py
index 7b26bff..bf369a9 100644
--- a/celloracle/version.py
+++ b/celloracle/version.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
 
 
-__version__ = '0.18.0'
+__version__ = '0.18.1'
 #