diff --git a/dist/leaflet_google.js b/dist/leaflet_google.js
index 2723f6d1..a89575e6 100644
--- a/dist/leaflet_google.js
+++ b/dist/leaflet_google.js
@@ -21,7 +21,7 @@ L.Google = L.Class.extend({
     L.Util.setOptions(this, options);
     if(type === 'INGRESS') {
       type = 'ROADMAP';
-      this._styles = [{featureType:"all", elementType:"all", stylers:[{visibility:"on"}, {hue:"#131c1c"}, {saturation:"-50"}, {invert_lightness:k}]}, {featureType:"water", elementType:"all", stylers:[{visibility:"on"}, {hue:"#005eff"}, {invert_lightness:k}]}, {featureType:"poi", stylers:[{visibility:"off"}]}, {featureType:"transit", elementType:"all", stylers:[{visibility:"off"}]}];
+      this._styles = [{featureType:"all", elementType:"all", stylers:[{visibility:"on"}, {hue:"#131c1c"}, {saturation:"-50"}, {invert_lightness:true}]}, {featureType:"water", elementType:"all", stylers:[{visibility:"on"}, {hue:"#005eff"}, {invert_lightness:true}]}, {featureType:"poi", stylers:[{visibility:"off"}]}, {featureType:"transit", elementType:"all", stylers:[{visibility:"off"}]}];
     } else {
       this._styles = null;
     }
diff --git a/external/leaflet_google.js b/external/leaflet_google.js
index 2a95955d..fd2d608a 100644
--- a/external/leaflet_google.js
+++ b/external/leaflet_google.js
@@ -21,7 +21,7 @@ L.Google = L.Class.extend({
     L.Util.setOptions(this, options);
     if(type === 'INGRESS') {
       type = 'ROADMAP';
-      this._styles = [{featureType:"all", elementType:"all", stylers:[{visibility:"on"}, {hue:"#131c1c"}, {saturation:"-50"}, {invert_lightness:k}]}, {featureType:"water", elementType:"all", stylers:[{visibility:"on"}, {hue:"#005eff"}, {invert_lightness:k}]}, {featureType:"poi", stylers:[{visibility:"off"}]}, {featureType:"transit", elementType:"all", stylers:[{visibility:"off"}]}];
+      this._styles = [{featureType:"all", elementType:"all", stylers:[{visibility:"on"}, {hue:"#131c1c"}, {saturation:"-50"}, {invert_lightness:true}]}, {featureType:"water", elementType:"all", stylers:[{visibility:"on"}, {hue:"#005eff"}, {invert_lightness:true}]}, {featureType:"poi", stylers:[{visibility:"off"}]}, {featureType:"transit", elementType:"all", stylers:[{visibility:"off"}]}];
     } else {
       this._styles = null;
     }