diff --git a/modules/ocl/src/haar.cpp b/modules/ocl/src/haar.cpp
index 95b934750..31f674281 100644
--- a/modules/ocl/src/haar.cpp
+++ b/modules/ocl/src/haar.cpp
@@ -1059,11 +1059,11 @@ CvSeq *cv::ocl::OclCascadeClassifier::oclHaarDetectObjects( oclMat &gimg, CvMemS
         {
             sz = sizev[i];
             factor = scalev[i];
-            int ystep = cvRound(std::max(2., factor));
-            int equRect_x = (int)(factor * gcascade->p0 + 0.5);
-            int equRect_y = (int)(factor * gcascade->p1 + 0.5);
-            int equRect_w = (int)(factor * gcascade->p3 + 0.5);
-            int equRect_h = (int)(factor * gcascade->p2 + 0.5);
+            double ystep = std::max(2., factor);
+            int equRect_x = cvRound(factor * gcascade->p0);
+            int equRect_y = cvRound(factor * gcascade->p1);
+            int equRect_w = cvRound(factor * gcascade->p3);
+            int equRect_h = cvRound(factor * gcascade->p2);
             p[i].s[0] = equRect_x;
             p[i].s[1] = equRect_y;
             p[i].s[2] = equRect_x + equRect_w;
diff --git a/modules/ocl/src/opencl/haarobjectdetect.cl b/modules/ocl/src/opencl/haarobjectdetect.cl
index e74256f52..bafd47472 100644
--- a/modules/ocl/src/opencl/haarobjectdetect.cl
+++ b/modules/ocl/src/opencl/haarobjectdetect.cl
@@ -426,7 +426,6 @@ __kernel void __attribute__((reqd_work_group_size(8,8,1)))gpuRunHaarClassifierCa
             {
                 if(result && lclidx %2 ==0 && lclidy %2 ==0 )
                 {
-                    
                     int queueindex = atomic_inc(lclcount);
                     lcloutindex[queueindex<<1] = (lclidy << 16) | lclidx;
                     lcloutindex[(queueindex<<1)+1] = as_int((float)variance_norm_factor);
@@ -436,7 +435,6 @@ __kernel void __attribute__((reqd_work_group_size(8,8,1)))gpuRunHaarClassifierCa
             {
                 if(result)
                 {
-                    
                     int queueindex = atomic_inc(lclcount);
                     lcloutindex[queueindex<<1] = (lclidy << 16) | lclidx;
                     lcloutindex[(queueindex<<1)+1] = as_int((float)variance_norm_factor);
@@ -563,20 +561,20 @@ __kernel void __attribute__((reqd_work_group_size(8,8,1)))gpuRunHaarClassifierCa
                 int y = mad24(grpidy,grpszy,((temp & (int)0xffff0000) >> 16));
                 temp = glboutindex[0];
                 int4 candidate_result;
-                candidate_result.zw = (int2)convert_int_rtn(round(factor*20.f));
-                candidate_result.x = convert_int_rtn(round(x*factor));
-                candidate_result.y = convert_int_rtn(round(y*factor));
+                candidate_result.zw = (int2)convert_int_rte(factor*20.f);
+                candidate_result.x = convert_int_rte(x*factor);
+                candidate_result.y = convert_int_rte(y*factor);
                 atomic_inc(glboutindex);
 
                 int i = outputoff+temp+lcl_id;
                 if(candidate[i].z == 0)
-                {                
+                {
                     candidate[i] = candidate_result;
                 }
                 else
-                {   
+                {
                     for(i=i+1;;i++)
-                    {   
+                    {
                         if(candidate[i].z == 0)
                         {
                             candidate[i] = candidate_result;
diff --git a/modules/ocl/src/opencl/haarobjectdetect_scaled2.cl b/modules/ocl/src/opencl/haarobjectdetect_scaled2.cl
index 9597dfe00..a8faaf842 100644
--- a/modules/ocl/src/opencl/haarobjectdetect_scaled2.cl
+++ b/modules/ocl/src/opencl/haarobjectdetect_scaled2.cl
@@ -259,19 +259,19 @@ __kernel void gpuRunHaarClassifierCascade_scaled2(
                     int y = (temp & (int)0xffff0000) >> 16;
                     temp = atomic_inc(glboutindex);
                     int4 candidate_result;
-                    candidate_result.zw = (int2)convert_int_rtn(round(factor * 20.f));
+                    candidate_result.zw = (int2)convert_int_rte(factor * 20.f);
                     candidate_result.x = x;
                     candidate_result.y = y;
 
                     int i = outputoff+temp+lcl_id;
                     if(candidate[i].z == 0)
-                    {                
+                    {
                         candidate[i] = candidate_result;
                     }
                     else
-                    {   
+                    {
                         for(i=i+1;;i++)
-                        {   
+                        {
                             if(candidate[i].z == 0)
                             {
                                 candidate[i] = candidate_result;