diff --git a/radio/src/targets/common/arm/stm32/cortex_m_isr.h b/radio/src/targets/common/arm/stm32/cortex_m_isr.h
index f329813dcf8..62d601f4a48 100644
--- a/radio/src/targets/common/arm/stm32/cortex_m_isr.h
+++ b/radio/src/targets/common/arm/stm32/cortex_m_isr.h
@@ -20,7 +20,7 @@
  */
 
 #define WEAK_DEFAULT __attribute__((weak,alias("Default_Handler")))
-#define ISR_VECTOR __attribute__((section(".isr_vector")))
+#define ISR_VECTOR __attribute__((section(".isr_vector"), used))
 
 typedef void (*isr_t)(void);
 extern void* _estack;