diff --git a/fbt_options.py b/fbt_options.py
index 191c4ef1a..c8d734b40 100644
--- a/fbt_options.py
+++ b/fbt_options.py
@@ -3,7 +3,7 @@ import posixpath
 
 # For more details on these options, run 'fbt -h'
 
-FIRMWARE_ORIGIN = "Official"
+FIRMWARE_ORIGIN = "Kiisu"
 
 # Default hardware target
 TARGET_HW = 7
diff --git a/firmware.scons b/firmware.scons
index e7378f957..1cae81ea5 100644
--- a/firmware.scons
+++ b/firmware.scons
@@ -114,6 +114,7 @@ lib_targets = env.BuildModules(
 env.Append(
     CPPDEFINES=[
         env.subst("FW_ORIGIN_${FIRMWARE_ORIGIN}"),
+        "KIISU",
     ]
 )