diff --git a/src/flash_loader.c b/src/flash_loader.c
index f2e636751..73db427a7 100644
--- a/src/flash_loader.c
+++ b/src/flash_loader.c
@@ -262,6 +262,7 @@ int stlink_flash_loader_write_to_sram(stlink_t *sl, stm32_addr_t* addr, size_t*
         loader_code = loader_code_stm32l;
         loader_size = sizeof(loader_code_stm32l);
     } else if (sl->core_id == STM32VL_CORE_ID
+            || sl->chip_id == STLINK_CHIPID_STM32_F1_MEDIUM
             || sl->chip_id == STLINK_CHIPID_STM32_F3
             || sl->chip_id == STLINK_CHIPID_STM32_F3_SMALL
             || sl->chip_id == STLINK_CHIPID_STM32_F303_HIGH