diff --git a/scripts/nrf52_internal_flash_fix.py b/scripts/nrf52_internal_flash_fix.py
index cac9db4b..8d498b90 100644
--- a/scripts/nrf52_internal_flash_fix.py
+++ b/scripts/nrf52_internal_flash_fix.py
@@ -50,7 +50,7 @@ def replace_driver(build_env, node):
 def install(build_env):
     build_env.AddBuildMiddleware(
         replace_driver,
-        "*InternalFileSytem*src*flash*flash_nrf5x.c",
+        "*flash_nrf5x.c",
     )
 
 
diff --git a/test/test_nrf52_internal_flash_fix.py b/test/test_nrf52_internal_flash_fix.py
index b2d30910..d8059998 100644
--- a/test/test_nrf52_internal_flash_fix.py
+++ b/test/test_nrf52_internal_flash_fix.py
@@ -28,7 +28,19 @@ class Nrf52InternalFlashFixTest(unittest.TestCase):
     def test_all_nrf52_builds_load_fix(self):
         ini = (ROOT / "platformio.ini").read_text(encoding="utf-8")
         self.assertIn("pre:scripts/nrf52_internal_flash_fix.py", ini)
-        self.assertIn("*InternalFileSytem*src*flash*flash_nrf5x.c", SCRIPT.read_text())
+        self.assertIn('"*flash_nrf5x.c"', SCRIPT.read_text())
+        # The hardware-in-loop images intentionally bypass nrf52_base, but
+        # still use the same framework and must not regress to its unsafe SVC
+        # flash-completion wait.
+        for path in (ROOT / "tools/hil/profile_fixed_tx.ini",
+                     ROOT / "tools/hil/profile_switch.ini"):
+            contents = path.read_text(encoding="utf-8")
+            self.assertEqual(contents.count("pre:scripts/nrf52_usb_power_fix.py"),
+                             contents.count("pre:scripts/nrf52_internal_flash_fix.py"),
+                             str(path))
+            for section in contents.split("[env:"):
+                if "pre:scripts/nrf52_usb_power_fix.py" in section:
+                    self.assertIn("pre:scripts/nrf52_internal_flash_fix.py", section)
 
     def test_application_softdevice_checks_use_compiler_safe_wrapper(self):
         helper = ROOT / "src/helpers/nrf52/SoftDeviceState.h"
diff --git a/tools/hil/profile_fixed_tx.ini b/tools/hil/profile_fixed_tx.ini
index d0a62b92..c1eab59f 100644
--- a/tools/hil/profile_fixed_tx.ini
+++ b/tools/hil/profile_fixed_tx.ini
@@ -9,6 +9,7 @@ upload_protocol = nrfutil
 extra_scripts =
   create-uf2.py
   pre:scripts/nrf52_usb_power_fix.py
+  pre:scripts/nrf52_internal_flash_fix.py
   post:scripts/check_firmware_ram.py
 lib_deps = ${env:profile_switch_xiao.lib_deps}
 lib_ignore = PsychicMqttClient
diff --git a/tools/hil/profile_switch.ini b/tools/hil/profile_switch.ini
index bcf86d28..b1226a6f 100644
--- a/tools/hil/profile_switch.ini
+++ b/tools/hil/profile_switch.ini
@@ -129,6 +129,7 @@ upload_protocol = nrfutil
 extra_scripts =
   create-uf2.py
   pre:scripts/nrf52_usb_power_fix.py
+  pre:scripts/nrf52_internal_flash_fix.py
   post:scripts/check_firmware_ram.py
 lib_deps = ${env:profile_switch_xiao.lib_deps}
 lib_ignore = PsychicMqttClient
@@ -170,6 +171,7 @@ upload_protocol = nrfutil
 extra_scripts =
   create-uf2.py
   pre:scripts/nrf52_usb_power_fix.py
+  pre:scripts/nrf52_internal_flash_fix.py
   post:scripts/check_firmware_ram.py
 lib_deps = ${env:profile_switch_xiao.lib_deps}
 lib_ignore = PsychicMqttClient
@@ -213,6 +215,7 @@ upload_protocol = nrfutil
 extra_scripts =
   create-uf2.py
   pre:scripts/nrf52_usb_power_fix.py
+  pre:scripts/nrf52_internal_flash_fix.py
   post:scripts/check_firmware_ram.py
 lib_deps = ${env:profile_switch_xiao.lib_deps}
 lib_ignore = PsychicMqttClient