diff --git a/tools/platformio-build.py b/tools/platformio-build.py
index d0d2d2ef1..51339bd07 100644
--- a/tools/platformio-build.py
+++ b/tools/platformio-build.py
@@ -135,11 +135,10 @@ flatten_cppdefines = env.Flatten(env['CPPDEFINES'])
 #
 # lwIP
 #
-if "PIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY" in flatten_cppdefines:
+if "PIO_FRAMEWORK_ARDUINO_LWIP_HIGHER_BANDWIDTH" in flatten_cppdefines:
     env.Append(
-        CPPDEFINES=[("TCP_MSS", 536), ("LWIP_FEATURES", 1)],
-        CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip2", "include")],
-        LIBS=["lwip2-536-feat"]
+        CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip", "include")],
+        LIBS=["lwip_gcc"]
     )
 elif "PIO_FRAMEWORK_ARDUINO_LWIP2_HIGHER_BANDWIDTH" in flatten_cppdefines:
     env.Append(
@@ -159,10 +158,12 @@ elif "PIO_FRAMEWORK_ARDUINO_LWIP2_HIGHER_BANDWIDTH_LOW_FLASH" in flatten_cppdefi
         CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip2", "include")],
         LIBS=["lwip2-1460"]
     )
+# PIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY (default)
 else:
     env.Append(
-        CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip", "include")],
-        LIBS=["lwip_gcc"]
+        CPPDEFINES=[("TCP_MSS", 536), ("LWIP_FEATURES", 1)],
+        CPPPATH=[join(FRAMEWORK_DIR, "tools", "sdk", "lwip2", "include")],
+        LIBS=["lwip2-536-feat"]
     )
 
 #