diff --git a/meta-arm/meta-arm-bsp/recipes-security/trusted-services/ts-sp-se-proxy_%.bbappend b/meta-arm/meta-arm-bsp/recipes-security/trusted-services/ts-sp-se-proxy_%.bbappend
index 8a37a281..f39d239 100644
--- a/meta-arm/meta-arm-bsp/recipes-security/trusted-services/ts-sp-se-proxy_%.bbappend
+++ b/meta-arm/meta-arm-bsp/recipes-security/trusted-services/ts-sp-se-proxy_%.bbappend
@@ -2,3 +2,8 @@
 MACHINE_TS_REQUIRE:corstone1000 = "ts-corstone1000.inc"
 
 require ${MACHINE_TS_REQUIRE}
+
+EXTRA_OECMAKE:append:corstone1000 = " -DMM_COMM_BUFFER_ADDRESS="0x00000000 0x02000000" \
+    -DMM_COMM_BUFFER_PAGE_COUNT="1" \
+    "
+