diff --git a/rtos/source/TARGET_CORTEX/TOOLCHAIN_IAR/mbed_boot_iar.c b/rtos/source/TARGET_CORTEX/TOOLCHAIN_IAR/mbed_boot_iar.c
index 8659355fa3..5547c5a54e 100644
--- a/rtos/source/TARGET_CORTEX/TOOLCHAIN_IAR/mbed_boot_iar.c
+++ b/rtos/source/TARGET_CORTEX/TOOLCHAIN_IAR/mbed_boot_iar.c
@@ -28,7 +28,7 @@
 #pragma section="CSTACK"
 #pragma section="HEAP"
 
-extern void *__vector_table;
+extern void *__vector_table[];
 extern int  __low_level_init(void);
 extern void __iar_data_init3(void);
 extern __weak void __iar_init_core(void);