diff --git a/CHANGES.rst b/CHANGES.rst
index 3cefbb56fa..2e9c3f450e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,7 @@ Changelog
 2.0.0 (unreleased)
 ------------------
 
+- #1826 Fix TypeError when creating Dynamic Analysis Specifications
 - #1821 API support for supermodel objects
 - #1820 Fix dynamic analysis specification listing error for empty excel columns
 - #1819 Fix rejection report is attached as a ".bin" file in notification email
diff --git a/src/bika/lims/content/dynamic_analysisspec.py b/src/bika/lims/content/dynamic_analysisspec.py
index 88281ce9e9..e19000d9b8 100644
--- a/src/bika/lims/content/dynamic_analysisspec.py
+++ b/src/bika/lims/content/dynamic_analysisspec.py
@@ -66,8 +66,9 @@ def validate_sepecs_file(data):
                 "the following columns defined: '{}'"
                 .format(", ".join(REQUIRED_COLUMNS))))
         try:
-            header = map(lambda c: c.value, xls.worksheets[0].rows[0])
-        except IndexError:
+            header_row = xls.worksheets[0].rows.next()
+            header = map(lambda c: c.value, header_row)
+        except (IndexError, AttributeError):
             raise Invalid(
                 _("First sheet does not contain a valid column definition"))
         for col in REQUIRED_COLUMNS: