diff --git a/builder/main.py b/builder/main.py
index 6e04376e3..67f126751 100644
--- a/builder/main.py
+++ b/builder/main.py
@@ -237,7 +237,7 @@ def __fetch_fs_size(target, source, env):
 env.Replace(
     __get_board_boot_mode=_get_board_boot_mode,
     __get_board_f_flash=_get_board_f_flash,
-    __get_board_img_freq=_get_board_img_freq,
+    __get_board_f_image=_get_board_f_image,
     __get_board_flash_mode=_get_board_flash_mode,
     __get_board_memory_type=_get_board_memory_type,
 
@@ -309,7 +309,7 @@ def __fetch_fs_size(target, source, env):
                         '"$PYTHONEXE" "$OBJCOPY"',
                 "--chip", mcu, "elf2image",
                 "--flash_mode", "${__get_board_flash_mode(__env__)}",
-                "--flash_freq", "${__get_board_img_freq(__env__)}",
+                "--flash_freq", "${__get_board_f_image(__env__)}",
                 "--flash_size", board.get("upload.flash_size", "4MB"),
                 "-o", "$TARGET", "$SOURCES"
             ]), "Building $TARGET"),
@@ -445,7 +445,7 @@ def __fetch_fs_size(target, source, env):
             "--after", board.get("upload.after_reset", "hard_reset"),
             "write_flash", "-z",
             "--flash_mode", "${__get_board_flash_mode(__env__)}",
-            "--flash_freq", "${__get_board_img_freq(__env__)}",
+            "--flash_freq", "${__get_board_f_image(__env__)}",
             "--flash_size", board.get("upload.flash_size", "detect")
         ],
         UPLOADCMD='"$PYTHONEXE" "$UPLOADER" $UPLOADERFLAGS $ESP32_APP_OFFSET $SOURCE'
@@ -463,7 +463,7 @@ def __fetch_fs_size(target, source, env):
                 "--after", board.get("upload.after_reset", "hard_reset"),
                 "write_flash", "-z",
                 "--flash_mode", "${__get_board_flash_mode(__env__)}",
-                "--flash_freq", "${__get_board_img_freq(__env__)}",
+                "--flash_freq", "${__get_board_f_image(__env__)}",
                 "--flash_size", board.get("upload.flash_size", "detect"),
                 "$FS_START"
             ],