1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index bb3e0ede6183..893f8e2df928 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -930,7 +930,7 @@ static int write_topo_node(int fd, int node)
                 /* skip over invalid lines */
                 if (!strchr(buf, ':'))
                         continue;
-                if (sscanf(buf, "%*s %*d %s %"PRIu64, field, &mem) != 2)
+                if (sscanf(buf, "%*s %*d %31s %"PRIu64, field, &mem) != 2)
                         goto done;
                 if (!strcmp(field, "MemTotal:"))
                         mem_total = mem;