diff --git a/ci/complexity_measurements/parseNewsletterRam.py b/ci/complexity_measurements/parseNewsletterRam.py
index 6fe1cd899329675d10dc47f7130ef28638dcc314..55eecff5738264d933b13470ee0f35789c138853 100755
--- a/ci/complexity_measurements/parseNewsletterRam.py
+++ b/ci/complexity_measurements/parseNewsletterRam.py
@@ -48,17 +48,17 @@ if __name__ == "__main__":
     shortDate = sys.argv[5]
     fullDate = sys.argv[6]
 
-max_total_enc = ["", 0]
-max_total_dec = ["", 0]
-max_total_encdec = ["", 0]
+max_total_enc = ["None", 0]
+max_total_dec = ["None", 0]
+max_total_encdec = ["None", 0]
 
-max_stack_enc = ["", 0]
-max_stack_dec = ["", 0]
-max_stack_encdec = ["", 0]
+max_stack_enc = ["None", 0]
+max_stack_dec = ["None", 0]
+max_stack_encdec = ["None", 0]
 
-max_heap_enc = ["", 0]
-max_heap_dec = ["", 0]
-max_heap_encdec = ["", 0]
+max_heap_enc = ["None", 0]
+max_heap_dec = ["None", 0]
+max_heap_encdec = ["None", 0]
 
 ram_table = {}
 
diff --git a/ci/complexity_measurements/parseNewsletterRom.py b/ci/complexity_measurements/parseNewsletterRom.py
index 2416a6fd0b8977db3a14f06b8864ea2df973447a..a4a3df4ecfe0da6763668dd4e4e5639ebbb087aa 100755
--- a/ci/complexity_measurements/parseNewsletterRom.py
+++ b/ci/complexity_measurements/parseNewsletterRom.py
@@ -49,19 +49,19 @@ if __name__ == "__main__":
     shortDate = sys.argv[5]
     fullDate = sys.argv[6]
 
-max_prom_enc = ["", 0]
-max_prom_dec = ["", 0]
-max_prom_com = ["", 0]
-max_prom_rend = ["", 0]
-max_prom_total = ["", 0]
-
-max_trom_enc = ["", 0]
-max_trom_dec = ["", 0]
-max_trom_com = ["", 0]
-max_trom_rend = ["", 0]
-max_trom_total = ["", 0]
-
-max_total_encdec = ["", 0]
+max_prom_enc = ["None", 0]
+max_prom_dec = ["None", 0]
+max_prom_com = ["None", 0]
+max_prom_rend = ["None", 0]
+max_prom_total = ["None", 0]
+
+max_trom_enc = ["None", 0]
+max_trom_dec = ["None", 0]
+max_trom_com = ["None", 0]
+max_trom_rend = ["None", 0]
+max_trom_total = ["None", 0]
+
+max_total_encdec = ["None", 0]
 
 rom_table = {}
 
diff --git a/ci/complexity_measurements/parseNewsletterWmops.py b/ci/complexity_measurements/parseNewsletterWmops.py
index 3f884fd3aac12b6017de3b0c212924ebbe6a25a1..a00171ead797c3117aaf8e571cd88415480ad47d 100755
--- a/ci/complexity_measurements/parseNewsletterWmops.py
+++ b/ci/complexity_measurements/parseNewsletterWmops.py
@@ -47,9 +47,9 @@ if __name__ == "__main__":
     shortDate = sys.argv[4]
     fullDate = sys.argv[5]
 
-max_enc = ["", 0]
-max_dec = ["", 0]
-max_total = ["", 0]
+max_enc = ["None", 0]
+max_dec = ["None", 0]
+max_total = ["None", 0]
 fixedpointScalingFac = 1.0
 
 with open(newsletterFilename, "r") as csvfile: