diff --git a/litex_boards/targets/gsd_butterstick.py b/litex_boards/targets/gsd_butterstick.py
index d0f7119..fe7202d 100755
--- a/litex_boards/targets/gsd_butterstick.py
+++ b/litex_boards/targets/gsd_butterstick.py
@@ -84,7 +84,7 @@ class _CRG(Module):
 # BaseSoC ------------------------------------------------------------------------------------------
 
 class BaseSoC(SoCCore):
-    def __init__(self, revision="1.0", device="25F", sys_clk_freq=int(60e6), toolchain="trellis",
+    def __init__(self, revision="1.0", device="85F", sys_clk_freq=int(60e6), toolchain="trellis",
         with_ethernet=False, with_etherbone=False, eth_ip="192.168.1.50", eth_dynamic_ip=False,
         with_spi_flash=False,
         with_led_chaser=True,