diff --git a/scripts/flipper/assets/copro.py b/scripts/flipper/assets/copro.py
index f176e3b2e82..25c072899ea 100644
--- a/scripts/flipper/assets/copro.py
+++ b/scripts/flipper/assets/copro.py
@@ -58,14 +58,23 @@ def loadCubeInfo(self, cube_dir, reference_cube_version):
     def _getFileName(self, name):
         return posixpath.join(self.COPRO_TAR_DIR, name)
 
+    def _addFileReadPermission(self, tarinfo):
+        tarinfo.mode = 0o644
+        return tarinfo
+
     def addFile(self, array, filename, **kwargs):
         source_file = os.path.join(self.mcu_copro, filename)
-        self.output_tar.add(source_file, arcname=self._getFileName(filename))
+        self.output_tar.add(
+            source_file,
+            arcname=self._getFileName(filename),
+            filter=self._addFileReadPermission,
+        )
         array.append({"name": filename, "sha256": file_sha256(source_file), **kwargs})
 
     def bundle(self, output_file, stack_file_name, stack_type, stack_addr=None):
         self.output_tar = tarfile.open(output_file, "w:gz", format=tarfile.USTAR_FORMAT)
         fw_directory = tarfile.TarInfo(self.COPRO_TAR_DIR)
+        fw_directory.mode = 0o755
         fw_directory.type = tarfile.DIRTYPE
         self.output_tar.addfile(fw_directory)
 
diff --git a/scripts/flipper/assets/coprobin.py b/scripts/flipper/assets/coprobin.py
index 75bf76d766d..84f52fbb3eb 100644
--- a/scripts/flipper/assets/coprobin.py
+++ b/scripts/flipper/assets/coprobin.py
@@ -46,7 +46,10 @@ class CoproFooterBase:
     _SIG_BIN_COMMON_SIZE = 2 * 4
 
     def get_version(self):
-        return f"Version {self.version_major}.{self.version_minor}.{self.version_sub}, branch {self.version_branch}, build {self.version_build} (magic {self.magic:X})"
+        return (
+            f"Version {self.version_major}.{self.version_minor}.{self.version_sub}, "
+            f"branch {self.version_branch}, build {self.version_build} (magic {self.magic:X})"
+        )
 
     def get_details(self):
         raise CoproException("Not implemented")