diff --git a/src/gateware/kasli_soc.py b/src/gateware/kasli_soc.py
index cba6538..b00c001 100755
--- a/src/gateware/kasli_soc.py
+++ b/src/gateware/kasli_soc.py
@@ -87,6 +87,8 @@ class GenericStandalone(SoCCore):
         self.acpki = acpki
         self.rustc_cfg = dict()
 
+        self.rustc_cfg["hw_rev"] = description["hw_rev"]
+
         platform = kasli_soc.Platform()
         platform.toolchain.bitstream_commands.extend([
             "set_property BITSTREAM.GENERAL.COMPRESS True [current_design]",
@@ -179,6 +181,8 @@ class GenericMaster(SoCCore):
         self.acpki = acpki
         self.rustc_cfg = dict()
 
+        self.rustc_cfg["hw_rev"] = description["hw_rev"]
+
         platform = kasli_soc.Platform()
         platform.toolchain.bitstream_commands.extend([
             "set_property BITSTREAM.GENERAL.COMPRESS True [current_design]",
@@ -321,6 +325,8 @@ class GenericSatellite(SoCCore):
         self.acpki = acpki
         self.rustc_cfg = dict()
 
+        self.rustc_cfg["hw_rev"] = description["hw_rev"]
+
         platform = kasli_soc.Platform()
         platform.toolchain.bitstream_commands.extend([
             "set_property BITSTREAM.GENERAL.COMPRESS True [current_design]",