diff --git a/env/pulpd-env.sh b/env/pulpd-env.sh
index 6b870b379..9f30b4332 100644
--- a/env/pulpd-env.sh
+++ b/env/pulpd-env.sh
@@ -5,4 +5,4 @@
 
 # set up environment variables for rtl simulation
 ROOTD=$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")/.." && pwd)
-[[ -d "$ROOTD/pulp_cluster/pulp-runtime" ]] && source "$ROOTD/pulp_cluster/pulp-runtime/configs/carfield-cluster.sh"
+[[ -d "$ROOTD/pulp_cluster/pulp-runtime" ]] && source "$ROOTD/pulp_cluster/pulp-runtime/configs/astral-cluster.sh"
diff --git a/target/sim/src/carfield_tb.sv b/target/sim/src/carfield_tb.sv
index b4d04c1f7..384958b54 100644
--- a/target/sim/src/carfield_tb.sv
+++ b/target/sim/src/carfield_tb.sv
@@ -285,7 +285,7 @@ module tb_carfield_soc;
   // pulp cluster standalone
   if (CarfieldIslandsCfg.pulp.enable) begin: gen_pulp_tb
     // Useful register addresses
-    localparam int unsigned CarL2StartAddr                      = 32'h7800_0000;
+    localparam int unsigned CarL2StartAddr                      = 32'h1000_0000;
     localparam int unsigned CarDramStartAddr                    = 32'h8000_0000;
     localparam int unsigned PulpdNumCores                       = 12;
     localparam int unsigned PulpdBootAddrL2                     = CarL2StartAddr + 32'h8080;