diff --git a/src/generic/armcm_reset.c b/src/generic/armcm_reset.c
index 342b24e..e1fa553 100644
--- a/src/generic/armcm_reset.c
+++ b/src/generic/armcm_reset.c
@@ -12,7 +12,7 @@
 void
 try_request_canboot(void)
 {
-    uint32_t *bl_vectors = (uint32_t *)(CONFIG_FLASH_START & 0xFF000000);
+    uint32_t *bl_vectors = (uint32_t *)(CONFIG_BOOTLOADER_START);
     uint64_t *req_sig = (uint64_t *)bl_vectors[0];
     irq_disable();
     *req_sig = REQUEST_CANBOOT;
diff --git a/src/lpc176x/Kconfig b/src/lpc176x/Kconfig
index 76ca942..26a9323 100644
--- a/src/lpc176x/Kconfig
+++ b/src/lpc176x/Kconfig
@@ -57,6 +57,9 @@ config FLASH_START
     hex
     default 0x0000
 
+config BOOTLOADER_START
+    hex
+    default 0x0000
 
 ######################################################################
 # Bootloader
diff --git a/src/rp2040/Kconfig b/src/rp2040/Kconfig
index 6deae3d..fce01e2 100644
--- a/src/rp2040/Kconfig
+++ b/src/rp2040/Kconfig
@@ -48,7 +48,7 @@ config DEPLOYER_START
     hex
     default 0x10004000
 
-config RP2040_BOOTLOADER_START
+config BOOTLOADER_START
     hex
     default 0x10000100
 
diff --git a/src/stm32/Kconfig b/src/stm32/Kconfig
index 2f4fb8c..02a9c24 100644
--- a/src/stm32/Kconfig
+++ b/src/stm32/Kconfig
@@ -142,6 +142,10 @@ config FLASH_START
     hex
     default 0x8000000
 
+config BOOTLOADER_START
+    hex
+    default 0x8000000
+
 config FLASH_SIZE
     hex
     default 0x4000 if MACH_STM32F031