diff --git a/src/flashcart/flashcart.c b/src/flashcart/flashcart.c
index 0b241421..81052ca6 100644
--- a/src/flashcart/flashcart.c
+++ b/src/flashcart/flashcart.c
@@ -112,12 +112,16 @@ flashcart_error_t flashcart_load_rom (char *rom_path, bool byte_swap, flashcart_
     return error;
 }
 
-flashcart_error_t flashcart_load_file (char *file_path, uint32_t start_offset_address) {
+flashcart_error_t flashcart_load_file (char *file_path, uint32_t rom_offset, uint32_t file_offset) {
     if ((file_path == NULL) || (!file_exists(file_path))) {
         return FLASHCART_ERROR_ARGS;
     }
 
-    return flashcart->load_file(file_path, start_offset_address);
+    if ((file_offset % FS_SECTOR_SIZE) != 0) {
+        return FLASHCART_ERROR_ARGS;
+    }
+
+    return flashcart->load_file(file_path, rom_offset, file_offset);
 }
 
 flashcart_error_t flashcart_load_save (char *save_path, flashcart_save_type_t save_type) {
diff --git a/src/flashcart/flashcart.h b/src/flashcart/flashcart.h
index 6f99f45a..436aaf94 100644
--- a/src/flashcart/flashcart.h
+++ b/src/flashcart/flashcart.h
@@ -42,7 +42,7 @@ typedef struct {
     flashcart_error_t (*init) (void);
     flashcart_error_t (*deinit) (void);
     flashcart_error_t (*load_rom) (char *rom_path, flashcart_progress_callback_t *progress);
-    flashcart_error_t (*load_file) (char *file_path, uint32_t start_offset_address);
+    flashcart_error_t (*load_file) (char *file_path, uint32_t rom_offset, uint32_t file_offset);
     flashcart_error_t (*load_save) (char *save_path);
     flashcart_error_t (*set_save_type) (flashcart_save_type_t save_type);
     flashcart_error_t (*set_save_writeback) (uint32_t *sectors);
@@ -52,7 +52,7 @@ typedef struct {
 flashcart_error_t flashcart_init (void);
 flashcart_error_t flashcart_deinit (void);
 flashcart_error_t flashcart_load_rom (char *rom_path, bool byte_swap, flashcart_progress_callback_t *progress);
-flashcart_error_t flashcart_load_file (char *file_path, uint32_t start_offset_address);
+flashcart_error_t flashcart_load_file (char *file_path, uint32_t rom_offset, uint32_t file_offset);
 flashcart_error_t flashcart_load_save (char *save_path, flashcart_save_type_t save_type);
 
 
diff --git a/src/flashcart/sc64/sc64.c b/src/flashcart/sc64/sc64.c
index b26d7a7c..9cc554c4 100644
--- a/src/flashcart/sc64/sc64.c
+++ b/src/flashcart/sc64/sc64.c
@@ -196,7 +196,7 @@ static flashcart_error_t sc64_load_rom (char *rom_path, flashcart_progress_callb
     return FLASHCART_OK;
 }
 
-static flashcart_error_t sc64_load_file (char *file_path, uint32_t start_offset_address) {
+static flashcart_error_t sc64_load_file (char *file_path, uint32_t rom_offset, uint32_t file_offset) {
     FIL fil;
     UINT br;
 
@@ -206,14 +206,19 @@ static flashcart_error_t sc64_load_file (char *file_path, uint32_t start_offset_
 
     fix_file_size(&fil);
 
-    size_t file_size = f_size(&fil);
+    size_t file_size = f_size(&fil) - file_offset;
 
-    if (file_size > (MiB(64) - start_offset_address)) {
+    if (file_size > (MiB(64) - rom_offset)) {
         f_close(&fil);
         return FLASHCART_ERROR_ARGS;
     }
 
-    if (f_read(&fil, (void *) (ROM_ADDRESS + start_offset_address), file_size, &br) != FR_OK) {
+    if (f_lseek(&fil, file_offset) != FR_OK) {
+        f_close(&fil);
+        return FLASHCART_ERROR_LOAD;
+    }
+
+    if (f_read(&fil, (void *) (ROM_ADDRESS + rom_offset), file_size, &br) != FR_OK) {
         f_close(&fil);
         return FLASHCART_ERROR_LOAD;
     }
diff --git a/src/menu/cart_load.c b/src/menu/cart_load.c
index 07a60a15..921aef64 100644
--- a/src/menu/cart_load.c
+++ b/src/menu/cart_load.c
@@ -81,6 +81,7 @@ cart_load_err_t cart_load_emulator (menu_t *menu, cart_load_emu_type_t emu_type,
     path_t *path = path_init("sd:/", EMU_LOCATION);
     flashcart_save_type_t save_type = FLASHCART_SAVE_TYPE_NONE;
     uint32_t emulated_rom_offset = 0x200000;
+    uint32_t emulated_file_offset = 0;
 
     switch (emu_type) {
         case CART_LOAD_EMU_TYPE_NES:
@@ -112,7 +113,7 @@ cart_load_err_t cart_load_emulator (menu_t *menu, cart_load_emu_type_t emu_type,
 
     path = path_clone_push(menu->browser.directory, menu->browser.entry->name);
 
-    menu->flashcart_error = flashcart_load_file(path_get(path), emulated_rom_offset);
+    menu->flashcart_error = flashcart_load_file(path_get(path), emulated_rom_offset, emulated_file_offset);
     if (menu->flashcart_error != FLASHCART_OK) {
         path_free(path);
         return CART_LOAD_ERR_EMU_ROM;