diff --git a/boot/zephyr/main.c b/boot/zephyr/main.c
index 686e02e..95da276 100644
--- a/boot/zephyr/main.c
+++ b/boot/zephyr/main.c
@@ -157,16 +157,26 @@
     /* Get ram address for image */
     vt = (struct arm_vector_table *)(rsp->br_hdr->ih_load_addr + rsp->br_hdr->ih_hdr_size);
 #else
-    uintptr_t flash_base;
     int rc;
+    const struct flash_area *fap;
+    static uint32_t dst[2];
 
     /* Jump to flash image */
-    rc = flash_device_base(rsp->br_flash_dev_id, &flash_base);
+    rc = flash_area_open(rsp->br_flash_dev_id, &fap);
     assert(rc == 0);
 
-    vt = (struct arm_vector_table *)(flash_base +
-                                     rsp->br_image_off +
-                                     rsp->br_hdr->ih_hdr_size);
+    rc = flash_area_read(fap, rsp->br_hdr->ih_hdr_size, dst, sizeof(dst));
+    assert(rc == 0);
+#ifndef CONFIG_ASSERT
+    /* Enter a lock up as asserts are disabled */
+    if (rc != 0) {
+        while (1);
+    }
+#endif
+
+    flash_area_close(fap);
+
+    vt = (struct arm_vector_table *)dst;
 #endif
 
     if (IS_ENABLED(CONFIG_SYSTEM_TIMER_HAS_DISABLE_SUPPORT)) {