diff --git a/types/openlayers/index.d.ts b/types/openlayers/index.d.ts
index d149ef18bc..f2eb6a8b53 100644
--- a/types/openlayers/index.d.ts
+++ b/types/openlayers/index.d.ts
@@ -1830,11 +1830,11 @@ declare module ol {
          * Get the feature's style.  This return for this method depends on what was
          * provided to the {@link ol.Feature#setStyle} method.
          * @return {ol.style.Style|Array.<ol.style.Style>|
-         *     ol.FeatureStyleFunction} The feature style.
+         *     ol.FeatureStyleFunction|ol.StyleFunction} The feature style.
          * @api stable
          * @observable
          */
-        getStyle(): (ol.style.Style | ol.style.Style[] | ol.FeatureStyleFunction);
+        getStyle(): (ol.style.Style | ol.style.Style[] | ol.FeatureStyleFunction | ol.StyleFunction);
 
         /**
          * Get the feature's style function.
@@ -1858,11 +1858,11 @@ declare module ol {
          * of styles, or a function that takes a resolution and returns an array of
          * styles. If it is `null` the feature has no style (a `null` style).
          * @param {ol.style.Style|Array.<ol.style.Style>|
-         *     ol.FeatureStyleFunction} style Style for this feature.
+         *     ol.FeatureStyleFunction|ol.StyleFunction} style Style for this feature.
          * @api stable
          * @observable
          */
-        setStyle(style: (ol.style.Style | ol.style.Style[] | ol.FeatureStyleFunction)): void;
+        setStyle(style: (ol.style.Style | ol.style.Style[] | ol.FeatureStyleFunction | ol.StyleFunction)): void;
 
         /**
          * Set the feature id.  The feature id is considered stable and may be used when
@@ -10590,7 +10590,7 @@ declare module ol {
              * @api
              */
             clone(): ol.style.Style;
-            
+
             /**
              * Get the geometry to be rendered.
              * @return {string|ol.geom.Geometry|ol.StyleGeometryFunction}