diff --git a/nitter.conf b/nitter.conf
index 857b9f0..e957e68 100644
--- a/nitter.conf
+++ b/nitter.conf
@@ -9,3 +9,6 @@ hostname = "nitter.net"
 [Cache]
 directory = "./tmp"
 profileMinutes = 10  # how long to cache profiles
+
+[Config]
+defaultTheme = "Dark"
diff --git a/src/config.nim b/src/config.nim
index ea62b1c..359d872 100644
--- a/src/config.nim
+++ b/src/config.nim
@@ -21,5 +21,7 @@ proc getConfig*(path: string): Config =
     hostname: cfg.get("Server", "hostname", "nitter.net"),
 
     cacheDir: cfg.get("Cache", "directory", "/tmp/nitter"),
-    profileCacheTime: cfg.get("Cache", "profileMinutes", 10)
+    profileCacheTime: cfg.get("Cache", "profileMinutes", 10),
+
+    defaultTheme: cfg.get("Config", "defaultTheme", "Dark")
   )
diff --git a/src/prefs.nim b/src/prefs.nim
index 7656f08..8abba26 100644
--- a/src/prefs.nim
+++ b/src/prefs.nim
@@ -27,9 +27,10 @@ withDb:
     discard
   Prefs.theme.safeAddColumn
 
-proc getDefaultPrefs(hostname: string): Prefs =
+proc getDefaultPrefs(cfg: Config): Prefs =
   result = genDefaultPrefs()
-  result.replaceTwitter = hostname
+  result.replaceTwitter = cfg.hostname
+  result.theme = cfg.defaultTheme
 
 proc cache*(prefs: var Prefs) =
   withDb:
@@ -40,18 +41,18 @@ proc cache*(prefs: var Prefs) =
     except AssertionError, KeyError:
       prefs.insert()
 
-proc getPrefs*(id, hostname: string): Prefs =
+proc getPrefs*(id: string; cfg: Config): Prefs =
   if id.len == 0:
-    return getDefaultPrefs(hostname)
+    return getDefaultPrefs(cfg)
 
   withDb:
     try:
       result.getOne("id = ?", id)
     except KeyError:
-      result = getDefaultPrefs(hostname)
+      result = getDefaultPrefs(cfg)
 
-proc resetPrefs*(prefs: var Prefs; hostname: string) =
-  var defPrefs = getDefaultPrefs(hostname)
+proc resetPrefs*(prefs: var Prefs; cfg: Config) =
+  var defPrefs = getDefaultPrefs(cfg)
   defPrefs.id = prefs.id
   cache(defPrefs)
   prefs = defPrefs
diff --git a/src/routes/preferences.nim b/src/routes/preferences.nim
index 233b94c..96cd51e 100644
--- a/src/routes/preferences.nim
+++ b/src/routes/preferences.nim
@@ -33,7 +33,7 @@ proc createPrefRouter*(cfg: Config) =
 
     post "/resetprefs":
       var prefs = cookiePrefs()
-      resetPrefs(prefs, cfg.hostname)
+      resetPrefs(prefs, cfg)
       savePrefs()
       redirect($(parseUri("/settings") ? filterParams(request.params)))
 
diff --git a/src/routes/router_utils.nim b/src/routes/router_utils.nim
index 44ffba8..2aedd6c 100644
--- a/src/routes/router_utils.nim
+++ b/src/routes/router_utils.nim
@@ -2,7 +2,7 @@ import ../utils, ../prefs
 export utils, prefs
 
 template cookiePrefs*(): untyped {.dirty.} =
-  getPrefs(request.cookies.getOrDefault("preferences"), cfg.hostname)
+  getPrefs(request.cookies.getOrDefault("preferences"), cfg)
 
 template getPath*(): untyped {.dirty.} =
   $(parseUri(request.path) ? filterParams(request.params))
diff --git a/src/types.nim b/src/types.nim
index d4965fd..c0d9492 100644
--- a/src/types.nim
+++ b/src/types.nim
@@ -177,6 +177,7 @@ type
     hostname*: string
     cacheDir*: string
     profileCacheTime*: int
+    defaultTheme*: string
 
 proc contains*(thread: Chain; tweet: Tweet): bool =
   thread.content.anyIt(it.id == tweet.id)
diff --git a/src/views/general.nim b/src/views/general.nim
index e0433aa..49f911a 100644
--- a/src/views/general.nim
+++ b/src/views/general.nim
@@ -29,7 +29,7 @@ proc renderNavbar*(title, rss: string; req: Request): VNode =
 
 proc renderMain*(body: VNode; req: Request; cfg: Config; titleText=""; desc="";
                  rss=""; `type`="article"; video=""; images: seq[string] = @[]): string =
-  let prefs = getPrefs(req.cookies.getOrDefault("preferences"), cfg.hostname)
+  let prefs = getPrefs(req.cookies.getOrDefault("preferences"), cfg)
   let theme = "/css/themes/" & toLowerAscii(prefs.theme) & ".css"
   let node = buildHtml(html(lang="en")):
     head: