diff --git a/CHANGES.rst b/CHANGES.rst
index bbb913790d..c3a5378d7d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -33,6 +33,7 @@ Changelog
 
 **Fixed**
 
+- #1454 Fix occasional error when labeling samples w/o report as printed
 - #1452 Fix missing error percentage calculation for reference samples
 - #1447 New Client contact has access to last client's Sample only
 - #1446 Parameter `group` in `contact._addUserToGroup` was not considered
diff --git a/bika/lims/browser/workflow/analysisrequest.py b/bika/lims/browser/workflow/analysisrequest.py
index 7ed4b43b4a..a4d7156b61 100644
--- a/bika/lims/browser/workflow/analysisrequest.py
+++ b/bika/lims/browser/workflow/analysisrequest.py
@@ -279,6 +279,8 @@ def set_printed_time(self, sample):
             return False
         reports = sample.objectValues("ARReport")
         reports = sorted(reports, key=lambda report: report.getDatePublished())
+        if not reports:
+            return False
         last_report = reports[-1]
         if not last_report.getDatePrinted():
             last_report.setDatePrinted(DateTime())