diff --git a/HISTORY.rst b/HISTORY.rst
index 85709451..a2c8f297 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -37,6 +37,7 @@ PlatformIO Core 6
 * Improved a serial port finder for a board with predefined HWIDs
 * Fixed an issue when the `build_unflags <https://docs.platformio.org/en/latest/projectconf/section_env_build.html#build-unflags>`__ operation ignores a flag value (`issue #4309 <https://github.com/platformio/platformio-core/issues/4309>`_)
 * Fixed an issue when the `build_unflags <https://docs.platformio.org/en/latest/projectconf/section_env_build.html#build-unflags>`__ option was not applied to the ``ASPPFLAGS`` scope
+* Fixed an issue on Windows OS when flags were wrapped to the temporary file while generating the `Compilation database "compile_commands.json" <https://docs.platformio.org/en/latest/integration/compile_commands.html>`__
 
 6.0.2 (2022-06-01)
 ~~~~~~~~~~~~~~~~~~
diff --git a/platformio/builder/main.py b/platformio/builder/main.py
index 9cbd387b..e46dd079 100644
--- a/platformio/builder/main.py
+++ b/platformio/builder/main.py
@@ -59,13 +59,13 @@ DEFAULT_ENV_OPTIONS = dict(
         "pioplatform",
         "piotest",
         "piotarget",
-        "piomaxlen",
         "piolib",
         "pioupload",
         "piosize",
         "pioino",
         "piomisc",
         "piointegration",
+        "piomaxlen",
     ],
     toolpath=[os.path.join(fs.get_source_dir(), "builder", "tools")],
     variables=clivars,
diff --git a/platformio/builder/tools/piomaxlen.py b/platformio/builder/tools/piomaxlen.py
index c7360418..b6a0ebb0 100644
--- a/platformio/builder/tools/piomaxlen.py
+++ b/platformio/builder/tools/piomaxlen.py
@@ -19,6 +19,7 @@ import os
 import re
 
 from SCons.Platform import TempFileMunge  # pylint: disable=import-error
+from SCons.Script import COMMAND_LINE_TARGETS  # pylint: disable=import-error
 from SCons.Subst import quote_spaces  # pylint: disable=import-error
 
 from platformio.compat import IS_WINDOWS, hashlib_encode_data
@@ -70,11 +71,13 @@ def _file_long_data(env, data):
     return tmp_file
 
 
-def exists(_):
-    return True
+def exists(env):
+    return "compiledb" not in COMMAND_LINE_TARGETS and not env.IsIntegrationDump()
 
 
 def generate(env):
+    if not exists(env):
+        return env
     kwargs = dict(
         _long_sources_hook=long_sources_hook,
         TEMPFILE=TempFileMunge,