diff --git a/modules/imgproc/src/sumpixels.cpp b/modules/imgproc/src/sumpixels.cpp
index 4aae88c6e..6485ef18b 100644
--- a/modules/imgproc/src/sumpixels.cpp
+++ b/modules/imgproc/src/sumpixels.cpp
@@ -214,7 +214,7 @@ void integral_##suffix( T* src, size_t srcstep, ST* sum, size_t sumstep, QT* sqs
 DEF_INTEGRAL_FUNC(8u32s, uchar, int, double)
 DEF_INTEGRAL_FUNC(8u32f, uchar, float, double)
 DEF_INTEGRAL_FUNC(8u64f, uchar, double, double)
-DEF_INTEGRAL_FUNC(32f, float, float, float)
+DEF_INTEGRAL_FUNC(32f, float, float, double)
 DEF_INTEGRAL_FUNC(32f64f, float, double, double)
 DEF_INTEGRAL_FUNC(64f, double, double, double)
     
diff --git a/modules/imgproc/test/test_filter.cpp b/modules/imgproc/test/test_filter.cpp
index db053da12..67787c18c 100644
--- a/modules/imgproc/test/test_filter.cpp
+++ b/modules/imgproc/test/test_filter.cpp
@@ -1576,7 +1576,7 @@ CV_IntegralTest::CV_IntegralTest()
     test_array[REF_OUTPUT].push_back(NULL);
     test_array[REF_OUTPUT].push_back(NULL);
     test_array[REF_OUTPUT].push_back(NULL);
-    element_wise_relative_error = false;
+    element_wise_relative_error = true;
 }
 
 
@@ -1603,7 +1603,8 @@ void CV_IntegralTest::get_test_array_types_and_sizes( int test_case_idx,
 
     depth = depth == 0 ? CV_8U : CV_32F;
     cn += cn == 2;
-    sum_depth = depth == CV_8U && (cvtest::randInt(rng) & 1) == 1 ? CV_32S : CV_64F;
+    int b = (cvtest::randInt(rng) & 1) != 0;
+    sum_depth = depth == CV_8U && b ? CV_32S : b ? CV_32F : CV_64F;
 
     types[INPUT][0] = CV_MAKETYPE(depth,cn);
     types[OUTPUT][0] = types[REF_OUTPUT][0] =
@@ -1626,10 +1627,10 @@ void CV_IntegralTest::get_test_array_types_and_sizes( int test_case_idx,
 }
 
 
-double CV_IntegralTest::get_success_error_level( int /*test_case_idx*/, int i, int j )
+double CV_IntegralTest::get_success_error_level( int, int i, int j )
 {
     int depth = test_mat[i][j].depth();
-    return depth == CV_32S ? 0 : FLT_EPSILON;
+    return depth == CV_32S ? 0 : depth == CV_64F ? FLT_EPSILON : 5e-3;
 }
 
 
diff --git a/modules/objdetect/src/cascadedetect.cpp b/modules/objdetect/src/cascadedetect.cpp
index 01987dc3b..c4037fc63 100644
--- a/modules/objdetect/src/cascadedetect.cpp
+++ b/modules/objdetect/src/cascadedetect.cpp
@@ -622,7 +622,7 @@ bool HaarEvaluator::setImage( const Mat &image, Size _origWinSize )
             tilted0.create( rn, cn, CV_32S);
     }
     sum = Mat(rn, cn, CV_32S, sum0.data);
-    sqsum = Mat(rn, cn, CV_32S, sqsum0.data);
+    sqsum = Mat(rn, cn, CV_64F, sqsum0.data);
 
     if( hasTiltedFeatures )
     {