diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c
index fa580e62de..2ad2c307dd 100644
--- a/vcs-svn/svndump.c
+++ b/vcs-svn/svndump.c
@@ -211,7 +211,7 @@ void svndump_read(const char *url)
 		if (key == keys.svn_fs_dump_format_version) {
 			dump_ctx.version = atoi(val);
 			if (dump_ctx.version > 2)
-				die("expected svn dump format version <= 2, found %d",
+				die("expected svn dump format version <= 2, found %"PRIu32,
 				    dump_ctx.version);
 		} else if (key == keys.uuid) {
 			dump_ctx.uuid = pool_intern(val);