diff --git a/tests/reference/5_1_6/KiCost/simple.csv b/tests/reference/5_1_6/KiCost/simple.csv
index 75ee43fc..558f826b 100644
--- a/tests/reference/5_1_6/KiCost/simple.csv
+++ b/tests/reference/5_1_6/KiCost/simple.csv
@@ -1,5 +1,6 @@
 Prj:,KiBom Test Schematic,,,,Board Qty:,100
 Co.:,https://github.com/SchrodingersGat/KiBom,,,,Unit Cost:,0
+Prj date:,mar 30 mar 2021 09:46:24,,,,Total Cost:,0
 Global Part Info,,,,,,
 Refs,Value,Footprint,Manf#,Qty,Unit$,Ext$
 C1,1nF,,,100,,0
diff --git a/tests/reference/5_1_6/KiCost/simple_default.csv b/tests/reference/5_1_6/KiCost/simple_default.csv
index 6cb4f44f..883b9805 100644
--- a/tests/reference/5_1_6/KiCost/simple_default.csv
+++ b/tests/reference/5_1_6/KiCost/simple_default.csv
@@ -1,5 +1,6 @@
 Prj:,KiBom Test Schematic,,,,Board Qty:,100
 Co.:,https://github.com/SchrodingersGat/KiBom,,,,Unit Cost:,0
+Prj date:,mar 30 mar 2021 09:46:24,,,,Total Cost:,0
 Global Part Info,,,,,,
 Refs,Value,Footprint,Manf#,Qty,Unit$,Ext$
 R1,1k,,,100,,0
diff --git a/tests/reference/5_1_6/KiCost/simple_production.csv b/tests/reference/5_1_6/KiCost/simple_production.csv
index f8d17fe4..9c3da1eb 100644
--- a/tests/reference/5_1_6/KiCost/simple_production.csv
+++ b/tests/reference/5_1_6/KiCost/simple_production.csv
@@ -1,5 +1,6 @@
 Prj:,KiBom Test Schematic,,,,Board Qty:,100
 Co.:,https://github.com/SchrodingersGat/KiBom,,,,Unit Cost:,0
+Prj date:,mar 30 mar 2021 09:46:24,,,,Total Cost:,0
 Global Part Info,,,,,,
 Refs,Value,Footprint,Manf#,Qty,Unit$,Ext$
 C2,1000 pF,,,100,,0
diff --git a/tests/reference/5_1_6/KiCost/simple_test.csv b/tests/reference/5_1_6/KiCost/simple_test.csv
index d0b6c5d6..8af2e2da 100644
--- a/tests/reference/5_1_6/KiCost/simple_test.csv
+++ b/tests/reference/5_1_6/KiCost/simple_test.csv
@@ -1,5 +1,6 @@
 Prj:,KiBom Test Schematic,,,,Board Qty:,100
 Co.:,https://github.com/SchrodingersGat/KiBom,,,,Unit Cost:,0
+Prj date:,mar 30 mar 2021 09:46:24,,,,Total Cost:,0
 Global Part Info,,,,,,
 Refs,Value,Footprint,Manf#,Qty,Unit$,Ext$
 C1,1nF,,,100,,0
diff --git a/tests/test_plot/test_kicost.py b/tests/test_plot/test_kicost.py
index e9a4edaa..81722906 100644
--- a/tests/test_plot/test_kicost.py
+++ b/tests/test_plot/test_kicost.py
@@ -31,7 +31,7 @@ def convert2csv(xlsx, skip_empty=False, sheet=None):
     cmd.append(xlsx)
     p1 = subprocess.Popen(cmd, stdout=subprocess.PIPE)
     with open(csv, 'w') as f:
-        p2 = subprocess.Popen(['egrep', '-i', '-v', r'(created|kicost|Total purchase)'], stdin=p1.stdout, stdout=f)
+        p2 = subprocess.Popen(['egrep', '-i', '-v', r'(\$ date|created|kicost|Total purchase)'], stdin=p1.stdout, stdout=f)
         p2.communicate()[0]