diff --git a/lib/lmb.c b/lib/lmb.c
index 37d2a72..5c5b3e9 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -26,6 +26,19 @@
 
 static struct lmb lmb;
 
+static void print_region_flags(enum lmb_flags flags)
+{
+	uint64_t bitpos;
+	const char *flag_str[] = { "LMB_NONE", "LMB_NOMAP", "LMB_NOOVERWRITE" };
+
+	do {
+		bitpos = fls(flags) - 1;
+		printf("%s", flag_str[bitpos]);
+		flags &= ~(1ull << bitpos);
+		flags ? puts(", ") : puts("\n");
+	} while (flags);
+}
+
 static void lmb_dump_region(struct alist *lmb_rgn_lst, char *name)
 {
 	struct lmb_region *rgn = lmb_rgn_lst->data;
@@ -41,8 +54,9 @@
 		end = base + size - 1;
 		flags = rgn[i].flags;
 
-		printf(" %s[%d]\t[0x%llx-0x%llx], 0x%08llx bytes flags: %x\n",
-		       name, i, base, end, size, flags);
+		printf(" %s[%d]\t[0x%llx-0x%llx], 0x%08llx bytes flags: ",
+		       name, i, base, end, size);
+		print_region_flags(flags);
 	}
 }
 
diff --git a/test/cmd/bdinfo.c b/test/cmd/bdinfo.c
index 7dd3f7c..887defc 100644
--- a/test/cmd/bdinfo.c
+++ b/test/cmd/bdinfo.c
@@ -120,8 +120,8 @@
 			ut_assert_nextlinen(" %s[%d]\t[", name, i);
 			continue;
 		}
-		ut_assert_nextline(" %s[%d]\t[0x%llx-0x%llx], 0x%08llx bytes flags: %x",
-				   name, i, base, end, size, flags);
+		ut_assert_nextlinen(" %s[%d]\t[0x%llx-0x%llx], 0x%08llx bytes flags: ",
+				   name, i, base, end, size);
 	}
 
 	return 0;