diff --git a/build_helper/build_helper_configs.py b/build_helper/build_helper_configs.py
index e6a02e3..08f4bf6 100755
--- a/build_helper/build_helper_configs.py
+++ b/build_helper/build_helper_configs.py
@@ -392,8 +392,8 @@
                 "invalid": _common_tfm_invalid_configs + []
                 }
 
-config_diphda = {"seed_params": {
-                "tfm_platform":     ["arm/diphda"],
+config_corstone1000 = {"seed_params": {
+                "tfm_platform":     ["arm/corstone1000"],
                 "toolchain_file":   ["toolchain_GNUARM.cmake"],
                 "lib_model":        [False],
                 "isolation_level":  ["1"],
@@ -1176,7 +1176,7 @@
                     "musca_b1_se": config_MUSCA_B1_SE,
                     "musca_s1": config_MUSCA_S1,
                     "psoc64": config_PSOC64,
-                    "diphda": config_diphda,
+                    "corstone1000": config_corstone1000,
                     "ipc": config_IPC,
                     "doxygen": config_doxygen,
                     "debug": config_debug,
diff --git a/jenkins/ci.jpl b/jenkins/ci.jpl
index 66e0b96..0306824 100644
--- a/jenkins/ci.jpl
+++ b/jenkins/ci.jpl
@@ -22,7 +22,7 @@
                "arm/musca_b1/secure_enclave":   "MUSCA_B1_SE",
                "arm/musca_s1":                  "MUSCA_S1",
                "stm/stm32l562e_dk":             "stm32l562e_dk",
-               "arm/diphda":                    "DIPHDA",
+               "arm/corstone1000":              "corstone1000",
                "nxp/lpcxpresso55s69":           "lpcxpresso55s69"]
 
 mapCompiler = ["toolchain_GNUARM.cmake":   "GNUARM",
diff --git a/tfm_ci_pylib/tfm_build_manager.py b/tfm_ci_pylib/tfm_build_manager.py
index f804fc0..f90aaa3 100644
--- a/tfm_ci_pylib/tfm_build_manager.py
+++ b/tfm_ci_pylib/tfm_build_manager.py
@@ -41,7 +41,7 @@
                "arm/musca_b1/secure_enclave":   "MUSCA_B1_SE",
                "arm/musca_s1":                  "MUSCA_S1",
                "stm/stm32l562e_dk":             "stm32l562e_dk",
-               "arm/diphda":                    "DIPHDA",
+               "arm/corstone1000":              "corstone1000",
                "nxp/lpcxpresso55s69":           "lpcxpresso55s69"}
 
 mapCompiler = {"toolchain_GNUARM.cmake":   "GNUARM",