diff --git a/build_helper/build_helper_configs.py b/build_helper/build_helper_configs.py
index 55e0f8d..18ea8b2 100644
--- a/build_helper/build_helper_configs.py
+++ b/build_helper/build_helper_configs.py
@@ -73,10 +73,10 @@
                    "MUSCA_B1": [("srec_cat "
                                  "%(_tbm_build_dir_)s/install/outputs/"
                                  "%(_tbm_target_platform_)s/mcuboot.bin "
-                                 "-Binary -offset 0x200000 "
+                                 "-Binary -offset 0xA000000 "
                                  "%(_tbm_build_dir_)s/install/outputs/"
                                  "%(_tbm_target_platform_)s/tfm_sign.bin "
-                                 "-Binary -offset 0x220000 -o "
+                                 "-Binary -offset 0xA020000 -o "
                                  "%(_tbm_build_dir_)s/install/outputs/"
                                  "%(_tbm_target_platform_)s"
                                  "/tfm.hex -Intel")]