diff --git a/pio-tools/obj-dump.py b/pio-tools/obj-dump.py
index 91bc3de58..74edd3958 100644
--- a/pio-tools/obj-dump.py
+++ b/pio-tools/obj-dump.py
@@ -3,7 +3,16 @@
 Import('env')
 
 def obj_dump_after_elf(source, target, env):
+    platform = env.PioPlatform()
+    board = env.BoardConfig()
+    mcu = board.get("build.mcu", "esp32")
+
     print("Create firmware.asm")
-    env.Execute("xtensa-lx106-elf-objdump "+ "-D " + str(target[0]) + " > "+ "${PROGNAME}.asm")
-    
+    if mcu == "esp8266":
+        env.Execute("xtensa-lx106-elf-objdump "+ "-D -C " + str(target[0]) + " > "+ "$BUILD_DIR/${PROGNAME}.asm")
+    if mcu == "esp32":
+        env.Execute("xtensa-esp32-elf-objdump "+ "-D -C " + str(target[0]) + " > "+ "$BUILD_DIR/${PROGNAME}.asm")
+    if mcu == "esp32c3":
+        env.Execute("riscv32-esp-elf-objdump "+ "-D -C " + str(target[0]) + " > "+ "$BUILD_DIR/${PROGNAME}.asm")
+
 env.AddPostAction("$BUILD_DIR/${PROGNAME}.elf", [obj_dump_after_elf])