diff --git a/litex/build/anlogic/platform.py b/litex/build/anlogic/platform.py
index e857ce0a6..734b49109 100644
--- a/litex/build/anlogic/platform.py
+++ b/litex/build/anlogic/platform.py
@@ -13,7 +13,7 @@ from litex.build.anlogic import common, anlogic
 # AnlogicPlatform ----------------------------------------------------------------------------------
 
 class AnlogicPlatform(GenericPlatform):
-    bitstream_ext = ".fs"
+    bitstream_ext = ".bit"
 
     _supported_toolchains = ["td"]