diff --git a/src/jp2image.cpp b/src/jp2image.cpp
index 0de088d6..e6dae63b 100644
--- a/src/jp2image.cpp
+++ b/src/jp2image.cpp
@@ -678,20 +678,20 @@ static void boxes_check(size_t b,size_t m)
                 if ( ! iccProfileDefined() ) {
                     const char* pad   = "\x01\x00\x00\x00\x00\x00\x10\x00\x00\x05\x1cuuid";
                     uint32_t    psize = 15;
+                    newlen            = sizeof(newBox) + psize ;
                     ul2Data((byte*)&newBox.length,psize      ,bigEndian);
                     ul2Data((byte*)&newBox.type  ,newBox.type,bigEndian);
                     ::memcpy(output.pData_+outlen                     ,&newBox            ,sizeof(newBox));
                     ::memcpy(output.pData_+outlen+sizeof(newBox)      ,pad                ,psize         );
-                    newlen = psize ;
                 } else {
-                    const char* pad   = "\0x02\x00\x00";
+                    const char* pad   = "\x02\x00\x00";
                     uint32_t    psize = 3;
-                    ul2Data((byte*)&newBox.length,psize+iccProfile_.size_,bigEndian);
+                    newlen            = sizeof(newBox) + psize + iccProfile_.size_;
+                    ul2Data((byte*)&newBox.length,newlen,bigEndian);
                     ul2Data((byte*)&newBox.type,newBox.type,bigEndian);
                     ::memcpy(output.pData_+outlen                     ,&newBox            ,sizeof(newBox)  );
                     ::memcpy(output.pData_+outlen+sizeof(newBox)      , pad               ,psize           );
                     ::memcpy(output.pData_+outlen+sizeof(newBox)+psize,iccProfile_.pData_,iccProfile_.size_);
-                    newlen = psize + iccProfile_.size_;
                 }
             } else {
                 ::memcpy(output.pData_+outlen,boxBuf.pData_+inlen,subBox.length);
diff --git a/test/data/icc-test.out b/test/data/icc-test.out
index 54b9c2e9..b495b2f3 100644
--- a/test/data/icc-test.out
+++ b/test/data/icc-test.out
@@ -729,3 +729,33 @@ STRUCTURE OF JPEG FILE: ReaganLargeJpg.jpg
 50b9125494306a6fc1b7c4f2a1a8d49d
 45ed3c125cc6041b37b44ee4cb881cd8
 45ed3c125cc6041b37b44ee4cb881cd8
+STRUCTURE OF JPEG2000 FILE: Reagan2.jp2
+ address |   length | box       | data
+       0 |       12 | jP        | 
+      12 |       20 | ftyp      | 
+      32 |     3185 | jp2h      | 
+      40 |       22 |  sub:ihdr | .............
+      62 |     3155 |  sub:colr | ......HLino....mntrRGB XYZ .. | pad: 2 0 0 | iccLength:3144
+    3217 |        0 | jp2c      | 
+STRUCTURE OF JPEG2000 FILE: Reagan2.jp2
+ address |   length | box       | data
+       0 |       12 | jP        | 
+      12 |       20 | ftyp      | 
+      32 |  1613641 | jp2h      | 
+      40 |       22 |  sub:ihdr | .............
+      62 |  1613611 |  sub:colr | ...... APPL....prtrRGB Lab .. | pad: 2 0 0 | iccLength:1613600
+ 1613673 |        0 | jp2c      | 
+STRUCTURE OF JPEG2000 FILE: Reagan2.jp2
+ address |   length | box       | data
+       0 |       12 | jP        | 
+      12 |       20 | ftyp      | 
+      32 |      601 | jp2h      | 
+      40 |       22 |  sub:ihdr | .............
+      62 |      571 |  sub:colr | ......0ADBE....mntrRGB XYZ .. | pad: 2 0 0 | iccLength:560
+     633 |        0 | jp2c      | 
+1d3fda2edb4a89ab60a23c5f7c7d81dd
+1d3fda2edb4a89ab60a23c5f7c7d81dd
+50b9125494306a6fc1b7c4f2a1a8d49d
+50b9125494306a6fc1b7c4f2a1a8d49d
+45ed3c125cc6041b37b44ee4cb881cd8
+45ed3c125cc6041b37b44ee4cb881cd8
diff --git a/test/icc-test.sh b/test/icc-test.sh
index f2492127..45899b18 100755
--- a/test/icc-test.sh
+++ b/test/icc-test.sh
@@ -5,18 +5,20 @@ source ./functions.source
 
 test1120() # --comment and -dc clobbered by writing ICC/JPG
 {
-    runTest exiv2 --comment abcdefg     $filename
-    runTest exiv2 -pS                   $filename
-    runTest exiv2 -pc                   $filename
-    runTest exiv2 -dc                   $filename
-    runTest exiv2 -pS                   $filename
+    if [ "$filename" != "Reagan2.jp2" ]; then 
+        runTest exiv2 --comment abcdefg     $filename
+        runTest exiv2 -pS                   $filename
+        runTest exiv2 -pc                   $filename
+        runTest exiv2 -dc                   $filename
+        runTest exiv2 -pS                   $filename
+    fi
 }
 
 (   cd "$testdir"
 
     num=1074                    # ICC Profile Support
     printf "ICC " >&3
-    for filename in Reagan.jpg exiv2-bug1199.webp ReaganLargePng.png ReaganLargeJpg.jpg # 1272 ReaganLargeTiff.tiff
+    for filename in Reagan.jpg exiv2-bug1199.webp ReaganLargePng.png ReaganLargeJpg.jpg Reagan2.jp2 # 1272 ReaganLargeTiff.tiff
     do
         format=$(echo $filename|cut -d. -f 2)
         stub=$(  echo $filename|cut -d. -f 1)