diff --git a/commands/memtest.c b/commands/memtest.c
index 379d82e..9dec0ef 100644
--- a/commands/memtest.c
+++ b/commands/memtest.c
@@ -108,7 +108,7 @@
 		start = PAGE_ALIGN(r->end);
 		end = bank->res->end;
 		size = PAGE_ALIGN_DOWN(end - start + 1);
-		if (start < end) {
+		if (start < end && start > r->end) {
 			ret = alloc_memtest_region(list, start, size);
 			if (ret < 0)
 				return ret;