diff --git a/core/include/panic.h b/core/include/panic.h
index 60e22ea7e0..22155ce9ef 100644
--- a/core/include/panic.h
+++ b/core/include/panic.h
@@ -36,6 +36,7 @@ typedef enum {
     PANIC_SOFT_REBOOT,
     PANIC_HARD_REBOOT,
     PANIC_ASSERT_FAIL,
+    PANIC_EXPECT_FAIL,
 #ifdef MODULE_CORTEXM_COMMON
     PANIC_NMI_HANDLER,       /**< non maskable interrupt */
     PANIC_HARD_FAULT,        /**< hard fault */