diff --git a/modules/videostab/src/deblurring.cpp b/modules/videostab/src/deblurring.cpp
index 444306482..752d1e636 100644
--- a/modules/videostab/src/deblurring.cpp
+++ b/modules/videostab/src/deblurring.cpp
@@ -59,7 +59,7 @@ float calcBlurriness(const Mat &frame)
     double normGx = norm(Gx);
     double normGy = norm(Gx);
     double sumSq = normGx*normGx + normGy*normGy;
-    return 1.f / (sumSq / frame.size().area() + 1e-6f);
+    return static_cast<float>(1. / (sumSq / frame.size().area() + 1e-6));
 }