diff --git a/Mk2_3phase_RFdatalog_temp/inject_sketch_name.py b/Mk2_3phase_RFdatalog_temp/inject_sketch_name.py
index 39d97f36..80a6707b 100644
--- a/Mk2_3phase_RFdatalog_temp/inject_sketch_name.py
+++ b/Mk2_3phase_RFdatalog_temp/inject_sketch_name.py
@@ -6,13 +6,13 @@
 
 def get_git_revision_short_hash() -> str:
   try:
-    return subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD'],shell=True).decode('ascii').strip()
+    return subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD'],shell=True).decode('utf-8').strip()
   except CalledProcessError:
     return "N/A"
 
 def get_git_current_branch() -> str:
   try:  
-    return subprocess.check_output(['git', 'branch', '--show-current'],shell=True).decode('ascii').strip()
+    return subprocess.check_output(['git', 'branch', '--show-current'],shell=True).decode('utf-8').strip()
   except CalledProcessError:
     return "N/A"