diff --git a/litex_boards/__init__.py b/litex_boards/__init__.py
index 918af30..34b0683 100644
--- a/litex_boards/__init__.py
+++ b/litex_boards/__init__.py
@@ -27,7 +27,7 @@ vendors = [
     "saanlima",
     "scarabhardware",
     "siglent",
-    "sispeed",
+    "sipeed",
     "sqrl",
     "terasic",
     "trenz",
diff --git a/litex_boards/platforms/sispeed_tang_nano_4k.py b/litex_boards/platforms/sipeed_tang_nano_4k.py
similarity index 100%
rename from litex_boards/platforms/sispeed_tang_nano_4k.py
rename to litex_boards/platforms/sipeed_tang_nano_4k.py
diff --git a/litex_boards/targets/sispeed_tang_nano_4k.py b/litex_boards/targets/sipeed_tang_nano_4k.py
similarity index 100%
rename from litex_boards/targets/sispeed_tang_nano_4k.py
rename to litex_boards/targets/sipeed_tang_nano_4k.py