diff --git a/src/Tgstation.Server.Host/Setup/SetupWizard.cs b/src/Tgstation.Server.Host/Setup/SetupWizard.cs
index 7618c7986f..04a49fda7a 100644
--- a/src/Tgstation.Server.Host/Setup/SetupWizard.cs
+++ b/src/Tgstation.Server.Host/Setup/SetupWizard.cs
@@ -271,6 +271,8 @@ namespace Tgstation.Server.Host.Setup
 						}
 					}
 				}
+
+				await testConnection.CloseAsync();
 			}
 
 			if (isSqliteDB && !dbExists)