diff --git a/modules/core/src/stat.cpp b/modules/core/src/stat.cpp
index 26d77efdfc..c77a50d67c 100644
--- a/modules/core/src/stat.cpp
+++ b/modules/core/src/stat.cpp
@@ -1164,8 +1164,8 @@ double cv::norm( InputArray _src1, InputArray _src2, int normType, InputArray _m
     int j, total = (int)it.size, blockSize = total, intSumBlockSize = 0, count = 0;
     bool blockSum = (normType == NORM_L1 && depth <= CV_16S) ||
     (normType == NORM_L2 && depth <= CV_8S);
-    int isum = 0;
-    int *ibuf = (int*)&result;
+    uint isum = 0;
+    uint *ibuf = (uint*)&result;
     size_t esz = 0;
     
     if( blockSum )