diff --git a/build_helper/build_helper_configs.py b/build_helper/build_helper_configs.py
index 6368da0..d1a3419 100755
--- a/build_helper/build_helper_configs.py
+++ b/build_helper/build_helper_configs.py
@@ -150,18 +150,18 @@
                                            "-fill 0xFF 0xA000000 0xA020000 "
                                            "%(ci_build_root_dir)s/nspe/"
                                            "tfm_s_ns_signed.bin "
-                                           "-Binary -offset 0x8000"
+                                           "-Binary -offset 0x8000 "
                                            "-fill 0xFF 0xA020000 0xA200000 "
                                            "-o %(ci_build_root_dir)s/"
-                                           "spe/bin/tfm.hex -Intel"
-                                           "else"
+                                           "spe/bin/tfm.hex -Intel "
+                                           "else "
                                            "srec_cat "
                                            "%(ci_build_root_dir)s/nspe/"
                                            "tfm_s_ns_signed.bin "
-                                           "-Binary -offset 0x8000"
+                                           "-Binary -offset 0x8000 "
                                            "-fill 0xFF 0xA020000 0xA200000 "
                                            "-o %(ci_build_root_dir)s/"
-                                           "spe/bin/tfm.hex -Intel"
+                                           "spe/bin/tfm.hex -Intel "
                                            "fi;"
                                           ),
                    "cypress/psoc64": ("echo 'Sign binaries for Cypress PSoC64 platform';"