diff --git a/rtl/ibex_cs_registers.sv b/rtl/ibex_cs_registers.sv
index 9651e748..64fd64dc 100644
--- a/rtl/ibex_cs_registers.sv
+++ b/rtl/ibex_cs_registers.sv
@@ -532,6 +532,9 @@ module ibex_cs_registers #(
             dcsr_d.prv = PRIV_LVL_M;
           end
 
+          // Read-only for SW
+          dcsr_d.cause = dcsr_q.cause;
+
           // currently not supported:
           dcsr_d.nmip = 1'b0;
           dcsr_d.mprven = 1'b0;