diff --git a/pio-tools/post_esp32.py b/pio-tools/post_esp32.py
index aacf1d169..279fcdc6e 100644
--- a/pio-tools/post_esp32.py
+++ b/pio-tools/post_esp32.py
@@ -245,16 +245,9 @@ def esp32_create_combined_bin(source, target, env):
         esp32_fetch_safeboot_bin(tasmota_platform)
 
     flash_size = env.BoardConfig().get("upload.flash_size", "4MB")
-    flash_freq = env.BoardConfig().get("build.f_flash", "40000000L")
-    flash_freq = str(flash_freq).replace("L", "")
-    flash_freq = str(int(int(flash_freq) / 1000000)) + "m"
-    flash_mode = env.BoardConfig().get("build.flash_mode", "dio")
-    memory_type = env.BoardConfig().get("build.arduino.memory_type", "qio_qspi")
+    flash_mode = env["__get_board_flash_mode"](env)
+    flash_freq = env["__get_board_f_flash"](env)
 
-    if flash_mode == "qio" or flash_mode == "qout":
-        flash_mode = "dio"
-    if memory_type == "opi_opi" or memory_type == "opi_qspi":
-        flash_mode = "dout"
     cmd = [
         "--chip",
         chip,