diff --git a/modules/imgcodecs/src/grfmt_tiff.cpp b/modules/imgcodecs/src/grfmt_tiff.cpp
index 3ec68c866..06b2ab6a1 100644
--- a/modules/imgcodecs/src/grfmt_tiff.cpp
+++ b/modules/imgcodecs/src/grfmt_tiff.cpp
@@ -158,7 +158,7 @@ bool TiffDecoder::readHeader()
                     m_type = CV_MAKETYPE(CV_8U, photometric > 1 ? wanted_channels : 1);
                     break;
                 case 16:
-					m_type = CV_MAKETYPE(CV_16U, photometric > 1 ? wanted_channels : 1);
+                    m_type = CV_MAKETYPE(CV_16U, photometric > 1 ? wanted_channels : 1);
                     break;
 
                 case 32:
@@ -326,21 +326,21 @@ bool  TiffDecoder::readData( Mat& img )
                                                                (ushort*)(data + img.step*i) + x*3, 0,
                                                                cvSize(tile_width,1) );
                                     }
-									else if (ncn == 4)
-									{
-										if (wanted_channels == 4)
-										{
-											icvCvt_BGRA2RGBA_16u_C4R(buffer16 + i*tile_width0*ncn, 0,
-												(ushort*)(data + img.step*i) + x * 4, 0,
-												cvSize(tile_width, 1));
-										}
-										else
-										{
-											icvCvt_BGRA2BGR_16u_C4C3R(buffer16 + i*tile_width0*ncn, 0,
-												(ushort*)(data + img.step*i) + x * 3, 0,
-												cvSize(tile_width, 1), 2);
-										}
-									}
+                                    else if (ncn == 4)
+                                    {
+                                        if (wanted_channels == 4)
+                                        {
+                                            icvCvt_BGRA2RGBA_16u_C4R(buffer16 + i*tile_width0*ncn, 0,
+                                                (ushort*)(data + img.step*i) + x * 4, 0,
+                                                cvSize(tile_width, 1));
+                                        }
+                                        else
+                                        {
+                                            icvCvt_BGRA2BGR_16u_C4C3R(buffer16 + i*tile_width0*ncn, 0,
+                                                (ushort*)(data + img.step*i) + x * 3, 0,
+                                                cvSize(tile_width, 1), 2);
+                                        }
+                                    }
                                     else
                                     {
                                         icvCvt_BGRA2BGR_16u_C4C3R(buffer16 + i*tile_width0*ncn, 0,
diff --git a/modules/imgcodecs/test/test_grfmt.cpp b/modules/imgcodecs/test/test_grfmt.cpp
index 37c9bf879..02e84d67f 100644
--- a/modules/imgcodecs/test/test_grfmt.cpp
+++ b/modules/imgcodecs/test/test_grfmt.cpp
@@ -159,7 +159,7 @@ public:
 #ifdef HAVE_TIFF
                 for (int num_channels = 1; num_channels <= 4; num_channels++)
                 {
-					if (num_channels == 2) continue;
+                    if (num_channels == 2) continue;
                     // tiff
                     ts->printf(ts->LOG, "image type depth:%d   channels:%d   ext: %s\n", CV_16U, num_channels, ".tiff");
                     Mat img(img_r * k, img_c * k, CV_MAKETYPE(CV_16U, num_channels), Scalar::all(0));