diff --git a/glymur/jp2k.py b/glymur/jp2k.py
index 4efcb77..319bf46 100644
--- a/glymur/jp2k.py
+++ b/glymur/jp2k.py
@@ -167,15 +167,16 @@ class Jp2k(Jp2kBox):
         """
         # A jp2-branded file cannot contain an "any ICC profile
         ftyp = self.box[1]
-        jp2h = [box for box in self.box if box.box_id == 'jp2h'][0]
-        colr = [box for box in jp2h.box if box.box_id == 'colr'][0]
-        if (((ftyp.brand == 'jp2 ') and 
-             (colr.method not in (ENUMERATED_COLORSPACE,
-                                  RESTRICTED_ICC_PROFILE)))):
-            msg = "Color Specification box method must specify either an "
-            msg += "enumerated colorspace or a restricted ICC profile if the "
-            msg += "file type box brand is 'jp2 '."
-            warnings.warn(msg)
+        if ftyp.brand == 'jp2 ':
+            jp2h = [box for box in self.box if box.box_id == 'jp2h'][0]
+            colrs = [box for box in jp2h.box if box.box_id == 'colr']
+            for colr in colrs: 
+                if colr.method not in (ENUMERATED_COLORSPACE,
+                                       RESTRICTED_ICC_PROFILE):
+                    msg = "Color Specification box method must specify either "
+                    msg += "an enumerated colorspace or a restricted ICC "
+                    msg += "profile if the file type box brand is 'jp2 '."
+                    warnings.warn(msg)
 
 
     # pylint:  disable-msg=W0221
diff --git a/glymur/test/test_conformance.py b/glymur/test/test_conformance.py
index f9b94e9..ec179c2 100644
--- a/glymur/test/test_conformance.py
+++ b/glymur/test/test_conformance.py
@@ -26,11 +26,13 @@ except:
 try:
     opj_data_root = os.environ['OPJ_DATA_ROOT']
 except KeyError:
-    opj_corpus_data_root = None
+    opj_data_root = None
 except:
     raise
 
 
+@unittest.skipIf(format_corpus_data_root is None,
+                 "FORMAT_CORPUS_DATA_ROOT environment variable not set")
 @unittest.skipIf(sys.hexversion < 0x03020000,
                  "Requires features introduced in 3.2 (assertWarns)")
 class TestSuiteFormatCorpus(unittest.TestCase):
@@ -41,8 +43,6 @@ class TestSuiteFormatCorpus(unittest.TestCase):
     def tearDown(self):
         pass
 
-    @unittest.skipIf(format_corpus_data_root is None,
-                     "FORMAT_CORPUS_DATA_ROOT environment variable not set")
     def test_balloon_trunc1(self):
         # Has one byte shaved off of EOC marker.
         jfile = os.path.join(format_corpus_data_root,
@@ -58,8 +58,6 @@ class TestSuiteFormatCorpus(unittest.TestCase):
         with self.assertRaises(OSError):
             j2k.read(rlevel=-1)
 
-    @unittest.skipIf(format_corpus_data_root is None,
-                     "FORMAT_CORPUS_DATA_ROOT environment variable not set")
     def test_balloon_trunc2(self):
         # Shortened by 5000 bytes.
         jfile = os.path.join(format_corpus_data_root,
@@ -75,8 +73,6 @@ class TestSuiteFormatCorpus(unittest.TestCase):
         with self.assertRaises(OSError):
             j2k.read(rlevel=-1)
 
-    @unittest.skipIf(format_corpus_data_root is None,
-                     "FORMAT_CORPUS_DATA_ROOT environment variable not set")
     def test_balloon_trunc3(self):
         # Most of last tile is missing.
         jfile = os.path.join(format_corpus_data_root,
@@ -92,8 +88,6 @@ class TestSuiteFormatCorpus(unittest.TestCase):
         #with self.assertRaises(OSError):
         #    j2k.read(rlevel=-1)
 
-    @unittest.skipIf(format_corpus_data_root is None,
-                     "FORMAT_CORPUS_DATA_ROOT environment variable not set")
     def test_jp2_brand_vs_any_icc_profile(self):
         # If 'jp2 ', then the method cannot be any icc profile.
         jfile = os.path.join(format_corpus_data_root,
@@ -102,7 +96,22 @@ class TestSuiteFormatCorpus(unittest.TestCase):
         with self.assertWarns(UserWarning):
             j2k = Jp2k(jfile)
         
+    def test_jp2_brand_vs_any_icc_profile_multiple_colr(self):
+        # Has colr box, one that conforms, one that does not.
 
+        # Wrong 'brand' field; contains two versions of ICC profile: one
+        # embedded using "Any ICC" method; other embedded using "Restricted
+        # ICC" method, with description ("Modified eciRGB v2") and profileClass
+        # ("Input Device") changed relative to original profile.
+        lst = [format_corpus_data_root, 'jp2k-test', 'icc',
+               'balloon_eciRGBv2_ps_adobeplugin_jp2compatible.jpf']
+        jfile = os.path.join(*lst)
+        with self.assertWarns(UserWarning):
+            j2k = Jp2k(jfile)
+        
+
+@unittest.skipIf(opj_data_root is None,
+                 "OPJ_DATA_ROOT environment variable not set")
 @unittest.skipIf(sys.hexversion < 0x03020000,
                  "Requires features introduced in 3.2 (assertWarns)")
 class TestSuiteOpj(unittest.TestCase):
@@ -113,8 +122,6 @@ class TestSuiteOpj(unittest.TestCase):
     def tearDown(self):
         pass
 
-    @unittest.skipIf(opj_data_root is None,
-                     "OPJ_DATA_ROOT environment variable not set")
     def test_jp2_brand_vs_any_icc_profile(self):
         # If 'jp2 ', then the method cannot be any icc profile.
         filename = os.path.join(opj_data_root,