diff --git a/interfaces/cython/cantera/test/test_convert.py b/interfaces/cython/cantera/test/test_convert.py
index 45113caef..42b39786f 100644
--- a/interfaces/cython/cantera/test/test_convert.py
+++ b/interfaces/cython/cantera/test/test_convert.py
@@ -321,6 +321,13 @@ class chemkinConverterTest(utilities.CanteraTest):
                         outName=pjoin(self.test_work_dir, 'h2o2_transport_missing_species.cti'),
                         quiet=True)
 
+    def test_transport_extra_column_entries(self):
+        with self.assertRaises(ck2cti.InputParseError):
+            convertMech(pjoin(self.test_data_dir, 'h2o2.inp'),
+                        transportFile=pjoin(self.test_data_dir, 'h2o2-extra-column-entries-tran.dat'),
+                        outName=pjoin(self.test_work_dir, 'h2o2_extra-column-entries-tran.cti'),
+                        quiet=True)
+
     def test_transport_duplicate_species(self):
         with self.assertRaises(ck2cti.InputParseError):
             convertMech(pjoin(self.test_data_dir, 'h2o2.inp'),
diff --git a/test/data/h2o2-extra-column-entries-tran.dat b/test/data/h2o2-extra-column-entries-tran.dat
new file mode 100644
index 000000000..1f869758a
--- /dev/null
+++ b/test/data/h2o2-extra-column-entries-tran.dat
@@ -0,0 +1,9 @@
+AR                 0   136.500     3.330     0.000     0.000     0.000
+H                  0   145.000     2.050     0.000     0.000     0.000
+H2                 1    38.000     2.920     0.000     0.790   280.000
+H2O                2   572.400     2.605     1.8 0.    0.000     4.000 ! bad entry
+H2O2               2   107.400     3.458     0.000     0.000     3.800
+HO2                2   107.400     3.458     0.000     0.000     1.000 ! *
+O                  0    80.000     2.750     0.000     0.000     0.000
+O2                 1   107.400     3.458     0.000     1.600     3.800
+OH                 1    80.000     2.750     0.000     0.000     0.000