diff --git a/tools/platformio-build-esp32.py b/tools/platformio-build-esp32.py
index 33153b92..0dd776a3 100644
--- a/tools/platformio-build-esp32.py
+++ b/tools/platformio-build-esp32.py
@@ -99,7 +99,8 @@ env.Append(
         "-u", "newlib_include_heap_impl",
         "-u", "newlib_include_syscalls_impl",
         "-u", "newlib_include_pthread_impl",
-        "-u", "__cxa_guard_dummy"
+        "-u", "__cxa_guard_dummy",
+        "-Wl,--Map=$BUILD_DIR/$PROGNAME.map"
     ],
 
     CPPPATH=[
diff --git a/tools/platformio-build-esp32s2.py b/tools/platformio-build-esp32s2.py
index 0e8b9204..15826014 100644
--- a/tools/platformio-build-esp32s2.py
+++ b/tools/platformio-build-esp32s2.py
@@ -94,7 +94,8 @@ env.Append(
         "-u", "newlib_include_heap_impl",
         "-u", "newlib_include_syscalls_impl",
         "-u", "newlib_include_pthread_impl",
-        "-u", "__cxa_guard_dummy"
+        "-u", "__cxa_guard_dummy",
+        "-Wl,--Map=$BUILD_DIR/$PROGNAME.map"
     ],
 
     CPPPATH=[