diff --git a/src/flash/nor/core.c b/src/flash/nor/core.c
index ce3ab4822..b2bbeb7df 100644
--- a/src/flash/nor/core.c
+++ b/src/flash/nor/core.c
@@ -595,6 +595,7 @@ int flash_write_unlock(struct target *target, struct image *image,
 		if (retval != ERROR_OK)
 			goto done;
 		if (c == NULL) {
+			LOG_WARNING("no flash bank found for address %x", run_address);
 			section++;	/* and skip it */
 			section_offset = 0;
 			continue;