diff --git a/CHANGELOG.md b/CHANGELOG.md
index d07c664..96b5380 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
+7/13/18: Fix TreeCorr imports, 1d arrays in FITS writing (#93)
 7/11/18: Update code to python3
 3/17/16: Update documentation to Sphinx standard and add documentation build files (issue #17)
 2/17/16: Changes to correlation function plots & documentation (issue #77)
diff --git a/stile/file_io.py b/stile/file_io.py
index 178d2cc..6a0d7ac 100644
--- a/stile/file_io.py
+++ b/stile/file_io.py
@@ -179,6 +179,11 @@ def WriteASCIITable(file_name, data_array, fields=None, print_header=False):
 
 
 def _coerceFitsFormat(fmt):
+    if fmt.subdtype:
+        if len(fmt.subdtype[1])>1:
+            raise RuntimeError("Cannot make a FITS table with a column containing arrays "+
+                               "of greater than one dimension")
+        return str(fmt.subdtype[1][0])+_coerceFitsFormat(fmt.subdtype[0])
     if 'S' in fmt.str or 'a' in fmt.str or 'U' in fmt.str:
         return 'A'+fmt.str.split('S')[1]
     elif fmt.str[1] in _fits_dict:  # first character is probably a byte-order flag
diff --git a/stile/treecorr_utils.py b/stile/treecorr_utils.py
index a1aa9d8..34dba6c 100644
--- a/stile/treecorr_utils.py
+++ b/stile/treecorr_utils.py
@@ -4,8 +4,11 @@
 """
 import numpy
 from . import file_io
-import treecorr
-from treecorr.corr2 import corr2_valid_params
+try:
+    import treecorr
+    from treecorr.corr2 import corr2_valid_params
+except ImportError:
+    pass
 
 
 def Parser():