diff --git a/modules/objdetect/src/hog.cpp b/modules/objdetect/src/hog.cpp
index 9b3d44460e..2d18396804 100644
--- a/modules/objdetect/src/hog.cpp
+++ b/modules/objdetect/src/hog.cpp
@@ -2871,7 +2871,7 @@ void HOGDescriptor::readALTModel(String modelfile)
 
         detector.push_back((float)-linearbias);
         setSVMDetector(detector);
-        delete linearwt;
+        delete [] linearwt;
     } else {
         throw Exception();
     }