diff --git a/lib/lmb.c b/lib/lmb.c
index e3c8dcb04b46..3c43b95fef4a 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -184,6 +184,11 @@ static long __init lmb_add_region(struct lmb_region *rgn, u64 base, u64 size)
 			break;
 		}
 	}
+
+	if (base < rgn->region[0].base) {
+		rgn->region[0].base = base;
+		rgn->region[0].size = size;
+	}
 	rgn->cnt++;
 
 	return 0;