diff --git a/HISTORY.rst b/HISTORY.rst
index ea04061a..1c444e3c 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -12,7 +12,8 @@ PlatformIO Core 4
 * Added support for Arm Mbed "module.json" ``dependencies`` field (`issue #3400 <https://github.com/platformio/platformio-core/issues/3400>`_)
 * Fixed an issue when quitting from PlatformIO IDE does not shutdown PIO Home server
 * Fixed an issue "the JSON object must be str, not 'bytes'" when PIO Home is used with Python 3.5 (`issue #3396 <https://github.com/platformio/platformio-core/issues/3396>`_)
-* Fixed an issue when Python 2 does not keep encoding when converting .INO file (`issue #3393 <https://github.com/platformio/platformio-core/issues/3393>`_)
+* Fixed an issue when Python 2 does not keep encoding when converting ".ino" (`issue #3393 <https://github.com/platformio/platformio-core/issues/3393>`_)
+* Fixed an issue when ``"libArchive": false`` in "library.json" does not work (`issue #3403 <https://github.com/platformio/platformio-core/issues/3403>`_)
 
 4.2.1 (2020-02-17)
 ~~~~~~~~~~~~~~~~~~
diff --git a/platformio/builder/tools/piolib.py b/platformio/builder/tools/piolib.py
index 1a659c6a..5cb50492 100644
--- a/platformio/builder/tools/piolib.py
+++ b/platformio/builder/tools/piolib.py
@@ -717,9 +717,11 @@ class PlatformIOLibBuilder(LibBuilderBase):
 
     @property
     def lib_archive(self):
-        unique_value = "_not_declared_%s" % id(self)
-        global_value = self.env.GetProjectOption("lib_archive", unique_value)
-        if global_value != unique_value:
+        missing = object()
+        global_value = self.env.GetProjectConfig().getraw(
+            "env:" + self.env["PIOENV"], "lib_archive", missing
+        )
+        if global_value != missing:
             return global_value
         return self._manifest.get("build", {}).get(
             "libArchive", LibBuilderBase.lib_archive.fget(self)
diff --git a/platformio/builder/tools/pioproject.py b/platformio/builder/tools/pioproject.py
index 4a42b3d8..4bf848d9 100644
--- a/platformio/builder/tools/pioproject.py
+++ b/platformio/builder/tools/pioproject.py
@@ -14,7 +14,7 @@
 
 from __future__ import absolute_import
 
-from platformio.project.config import ProjectConfig, ProjectOptions
+from platformio.project.config import MISSING, ProjectConfig, ProjectOptions
 
 
 def GetProjectConfig(env):
@@ -25,7 +25,7 @@ def GetProjectOptions(env, as_dict=False):
     return env.GetProjectConfig().items(env=env["PIOENV"], as_dict=as_dict)
 
 
-def GetProjectOption(env, option, default=None):
+def GetProjectOption(env, option, default=MISSING):
     return env.GetProjectConfig().get("env:" + env["PIOENV"], option, default)
 
 
diff --git a/platformio/project/config.py b/platformio/project/config.py
index 4dc3c38c..23d089bf 100644
--- a/platformio/project/config.py
+++ b/platformio/project/config.py
@@ -280,7 +280,7 @@ class ProjectConfigBase(object):
                 value = envvar_value
 
         if value == MISSING:
-            value = option_meta.default or default
+            value = default if default != MISSING else option_meta.default
         if value == MISSING:
             return None
 
diff --git a/tests/test_projectconf.py b/tests/test_projectconf.py
index 8172e692..0e68f2d3 100644
--- a/tests/test_projectconf.py
+++ b/tests/test_projectconf.py
@@ -123,6 +123,8 @@ def test_defaults(config):
     )
     assert config.get("env:extra_2", "lib_compat_mode") == "soft"
     assert config.get("env:extra_2", "build_type") == "release"
+    assert config.get("env:extra_2", "build_type", None) is None
+    assert config.get("env:extra_2", "lib_archive", "no") is False
 
 
 def test_sections(config):