diff --git a/docs b/docs
index da10bb5e..13df46f9 160000
--- a/docs
+++ b/docs
@@ -1 +1 @@
-Subproject commit da10bb5e00f8e711de2c9f843423db765cf8fce7
+Subproject commit 13df46f9cf4e3f822f6f642c9c9b3085a0a93193
diff --git a/platformio/builder/tools/piolib.py b/platformio/builder/tools/piolib.py
index 6f832382..fbd8949c 100644
--- a/platformio/builder/tools/piolib.py
+++ b/platformio/builder/tools/piolib.py
@@ -531,10 +531,7 @@ class ArduinoLibBuilder(LibBuilderBase):
         return util.items_in_list(frameworks, ["arduino", "energia"])
 
     def is_platforms_compatible(self, platforms):
-        items = self._manifest.get("platforms", [])
-        if not items:
-            return LibBuilderBase.is_platforms_compatible(self, platforms)
-        return util.items_in_list(platforms, items)
+        return util.items_in_list(platforms, self._manifest.get("platforms") or ["*"])
 
 
 class MbedLibBuilder(LibBuilderBase):
@@ -768,16 +765,10 @@ class PlatformIOLibBuilder(LibBuilderBase):
         )
 
     def is_platforms_compatible(self, platforms):
-        items = self._manifest.get("platforms")
-        if not items:
-            return LibBuilderBase.is_platforms_compatible(self, platforms)
-        return util.items_in_list(platforms, items)
+        return util.items_in_list(platforms, self._manifest.get("platforms") or ["*"])
 
     def is_frameworks_compatible(self, frameworks):
-        items = self._manifest.get("frameworks")
-        if not items:
-            return LibBuilderBase.is_frameworks_compatible(self, frameworks)
-        return util.items_in_list(frameworks, items)
+        return util.items_in_list(frameworks, self._manifest.get("frameworks") or ["*"])
 
     def get_include_dirs(self):
         include_dirs = LibBuilderBase.get_include_dirs(self)