diff --git a/config.dhall b/config.dhall
index 08f3d43..9e990eb 100644
--- a/config.dhall
+++ b/config.dhall
@@ -23,7 +23,7 @@ let Config : Type =
     , buildConcurrently : Bool                -- Whether to build images concurrently
     , prepareContainers : Bool                -- Whether to setup all containers on startup
     , cleanupInterval   : Natural             -- The interval in minutes to kill containers periodically
-    , port              : Integer             -- Port to run on
+    , port              : Natural             -- Port to run on
     }
 
 -- Write your config here!
diff --git a/src/Myriad/Core.hs b/src/Myriad/Core.hs
index 40bfc4f..cbb9da8 100644
--- a/src/Myriad/Core.hs
+++ b/src/Myriad/Core.hs
@@ -46,7 +46,7 @@ data MyriadConfig = MyriadConfig
     , buildConcurrently :: Bool
     , prepareContainers :: Bool
     , cleanupInterval :: Natural
-    , port :: Integer
+    , port :: Natural
     } deriving (Show, Generic)
 
 instance Interpret MyriadConfig