diff --git a/test/simulator/testcases/exp20_foxhound7.cpp b/test/simulator/testcases/exp20_foxhound7.cpp
index 65a4966..e75f223 100644
--- a/test/simulator/testcases/exp20_foxhound7.cpp
+++ b/test/simulator/testcases/exp20_foxhound7.cpp
@@ -9,7 +9,7 @@
 REG_SCOM(ocmb0, 0x08040000, 0x1000000000000000) // OCMB_CHIPLET_CS_FIR
 REG_SCOM(ocmb0, 0x0804000a, 0x0000000001000000) // OCMB_LFIR
 
-EXP_SIG(ocmb0, 0xbdcd, 0, 39, UNIT_CS)
+EXP_SIG(ocmb0, 0xbdcd, 0, 39, CHIP_CS)
 
 END_ITERATION
 
diff --git a/test/simulator/testcases/omi_dl_fatal.cpp b/test/simulator/testcases/omi_dl_fatal.cpp
index 1284462..b08f44f 100644
--- a/test/simulator/testcases/omi_dl_fatal.cpp
+++ b/test/simulator/testcases/omi_dl_fatal.cpp
@@ -203,7 +203,7 @@
 REG_SCOM(ocmb1, 0x08012800, 0x8000000000000000) // OMI_DL_FIR[0]
 REG_SCOM(ocmb1, 0x08012813, 0x0000000000000001) // OMI_DL_ERR_RPT[63]
 
-EXP_SIG(ocmb1, 0xbbd3, 0, 63, UNIT_CS)
+EXP_SIG(ocmb1, 0xbbd3, 0, 63, CHIP_CS)
 
 END_ITERATION