diff --git a/platformio/builder/scripts/frameworks/mbed.py b/platformio/builder/scripts/frameworks/mbed.py
index 045107d6..742ff859 100644
--- a/platformio/builder/scripts/frameworks/mbed.py
+++ b/platformio/builder/scripts/frameworks/mbed.py
@@ -123,9 +123,9 @@ for lib_path in eixdata.get("CPPPATH"):
 
 
 env.Append(
-    LIBPATH=[join(variant_dir, path)
-             for path in eixdata.get("LIBPATH", [])
-             if path.startswith("mbed")],
+    LIBPATH=[join(variant_dir, lib_path)
+             for lib_path in eixdata.get("LIBPATH", [])
+             if lib_path.startswith("mbed")],
     LIBS=["mbed"]
 )