diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -116,8 +116,8 @@
 startWatcherP =
   switch
   (  long "watcher"
-  <> help "Start a Watcher to handle SNI registration if one does not exist"
   <> short 'w'
+  <> help "Start a Watcher to handle SNI registration if one does not exist"
   )
 
 barLengthP :: Parser Rational
@@ -128,6 +128,15 @@
   <> value 1
   )
 
+overlayScaleP :: Parser Rational
+overlayScaleP =
+  option auto
+  (  long "overlay-scale"
+  <> short 'o'
+  <> help "The proportion of the tray icon's size that should be set for overlay icons."
+  <> value (5 % 7)
+  )
+
 getColor colorString = do
   rgba <- Gdk.newZeroRGBA
   colorParsed <- Gdk.rGBAParse rgba (T.pack colorString)
@@ -146,9 +155,10 @@
              -> Bool
              -> Bool
              -> Rational
+             -> Rational
              -> IO ()
 buildWindows pos align size padding monitors priority maybeColorString expand
-             startWatcher length = do
+             startWatcher length overlayScale = do
   Gtk.init Nothing
   logger <- getLogger "StatusNotifier"
   saveGlobalLogger $ setLevel priority logger
@@ -195,6 +205,7 @@
             , trayImageSize = Expand
             , trayIconExpand = expand
             , trayAlignment = align
+            , trayOverlayScale = overlayScale
             }
         window <- Gtk.windowNew Gtk.WindowTypeToplevel
         setupStrutWindow config window
@@ -217,7 +228,7 @@
 parser =
   buildWindows <$> positionP <*> alignmentP <*> sizeP <*> paddingP <*>
   monitorNumberP <*> logP <*> colorP <*> expandP <*> startWatcherP <*>
-  barLengthP
+  barLengthP <*> overlayScaleP
 
 versionOption :: Parser (a -> a)
 versionOption = infoOption
diff --git a/gtk-sni-tray.cabal b/gtk-sni-tray.cabal
--- a/gtk-sni-tray.cabal
+++ b/gtk-sni-tray.cabal
@@ -1,11 +1,11 @@
--- This file has been generated from package.yaml by hpack version 0.27.0.
+-- This file has been generated from package.yaml by hpack version 0.28.2.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 39b472373d8713c0c95cb72bd424c5c44a8757887c342342219f7f433921feb7
+-- hash: 067fc5601dbe657896605cceec402ebd1bd4bc70ddaf12463634b8149c9487a7
 
 name:           gtk-sni-tray
-version:        0.1.4.0
+version:        0.1.5.0
 synopsis:       A standalone StatusNotifierItem/AppIndicator tray
 description:    Please see the README on Github at <https://github.com/IvanMalison/gtk-sni-tray#readme>
 category:       System
@@ -18,7 +18,6 @@
 license-file:   LICENSE
 build-type:     Simple
 cabal-version:  >= 1.10
-
 extra-source-files:
     ChangeLog.md
     README.md
diff --git a/src/StatusNotifier/Tray.hs b/src/StatusNotifier/Tray.hs
--- a/src/StatusNotifier/Tray.hs
+++ b/src/StatusNotifier/Tray.hs
@@ -123,7 +123,7 @@
     sequenceA $ pixbufNewFromFile <$> maybeFile
 
 getIconPathFromThemePath :: String -> String -> IO (Maybe String)
-getIconPathFromThemePath name themePath = do
+getIconPathFromThemePath name themePath = if name == "" then return Nothing else do
   trayLogger DEBUG $ printf
     "Trying to load icon %s as filepath with theme path %s"
     name themePath
@@ -161,6 +161,7 @@
   , trayImageSize :: TrayImageSize
   , trayIconExpand :: Bool
   , trayAlignment :: StrutAlignment
+  , trayOverlayScale :: Rational
   }
 
 buildTray :: TrayParams -> IO Gtk.Box
@@ -174,6 +175,7 @@
                      , trayImageSize = imageSize
                      , trayIconExpand = shouldExpand
                      , trayAlignment = alignment
+                     , trayOverlayScale = overlayScale
                      } = do
   trayLogger INFO "Building tray"
 
@@ -335,11 +337,10 @@
 
       maybeAddOverlayToPixbuf size info pixbuf = do
         runMaybeT $ do
-          let overlayHeight = (size `div` 2)
+          let overlayHeight = floor (fromIntegral size * overlayScale)
           overlayPixbuf <- MaybeT $ getOverlayPixBufFromInfo overlayHeight info >>=
                            traverse (scalePixbufToSize overlayHeight Gtk.OrientationHorizontal)
           lift $ do
-            trayLogger WARNING "Has overlay pixbuf"
             actualOHeight <- getPixbufHeight overlayPixbuf
             actualOWidth <- getPixbufWidth overlayPixbuf
             mainHeight <- getPixbufHeight pixbuf