diff --git a/.gitmodules b/.gitmodules
index 9d5e6ee..c93334e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "perfusion"]
 	path = perfusion
-	url = http://192.168.1.65/git/perfusion.git
+	url = https://github.com/PorezPorezych/perfusion
diff --git a/JetKarmaBot/Program.cs b/JetKarmaBot/Program.cs
index 329369f..0e0f5f2 100644
--- a/JetKarmaBot/Program.cs
+++ b/JetKarmaBot/Program.cs
@@ -29,7 +29,7 @@ namespace JetKarmaBot
             var dbOptions = new DbContextOptionsBuilder<KarmaContext>()
                 .UseMySql(cfg.ConnectionString);
 
-            c.Add(() => new KarmaContext(dbOptions.Options));
+            c.AddSingleton(() => new KarmaContext(dbOptions.Options));
             c.Add<JetKarmaBot>();
 
             var bot = c.GetInstance<JetKarmaBot>();
diff --git a/perfusion b/perfusion
index f60e82a..845dbe7 160000
--- a/perfusion
+++ b/perfusion
@@ -1 +1 @@
-Subproject commit f60e82ae937afe4d0073daf86c53b04406d4929c
+Subproject commit 845dbe77b217962a8ce98be50673aa408b081cda