diff --git a/modules/features2d/include/opencv2/features2d/features2d.hpp b/modules/features2d/include/opencv2/features2d/features2d.hpp
index 6034cd0444..ee9362f1ed 100644
--- a/modules/features2d/include/opencv2/features2d/features2d.hpp
+++ b/modules/features2d/include/opencv2/features2d/features2d.hpp
@@ -1630,7 +1630,7 @@ protected:
      * Remove keypoints within borderPixels of an image edge.
      */
     static void removeBorderKeypoints( vector<KeyPoint>& keypoints,
-                                       Size imageSize, int borderSize );
+                                       Size imageSize, float borderSize );
 };
 
 /*