diff --git a/bg_mon.c b/bg_mon.c
index 4fd53ec..118e4bf 100644
--- a/bg_mon.c
+++ b/bg_mon.c
@@ -234,9 +234,9 @@ static void prepare_statistics_output(struct evbuffer *evb)
 		cgroup_cpu cc = c.cgroup;
 		evbuffer_add_printf(evb, "}}, \"cgroup\": {");
 		if (cm.available) {
-			evbuffer_add_printf(evb, "\"memory\": {\"limit\": %lu, \"usage\": %lu", cm.limit, cm.usage);
-			evbuffer_add_printf(evb, ", \"rss\": %lu, \"cache\": %lu", cm.rss, cm.cache);
-			evbuffer_add_printf(evb, ", \"dirty\": %lu, \"oom_kill\": %lu", cm.dirty, cm.oom_kill);
+			evbuffer_add_printf(evb, "\"memory\": {\"limit\": %lu, \"usage\": %lu, ", cm.limit, cm.usage);
+			evbuffer_add_printf(evb, "\"rss\": %lu, \"cache\": %lu, \"dirty\": %lu", cm.rss, cm.cache, cm.dirty);
+			evbuffer_add_printf(evb, ", \"oom_kill\": %lu, \"failcnt\": %lu", cm.oom_kill, cm.failcnt);
 			if (cc.available)
 				evbuffer_add_printf(evb, "}, ");
 		}
diff --git a/system_stats.c b/system_stats.c
index 80a5489..339de51 100644
--- a/system_stats.c
+++ b/system_stats.c
@@ -110,6 +110,7 @@ static cgroup_memory read_cgroup_memory_stats(void)
 
 	cm.available = true;
 	cm.usage = cgroup_read_ulong("usage_in_bytes") / 1024;
+	cm.failcnt = cgroup_read_ulong("failcnt");
 
 	strcpy(memory_cgroup + memory_cgroup_len, "stat");
 	if ((csfd = fopen(memory_cgroup, "r")) == NULL)
diff --git a/system_stats.h b/system_stats.h
index 7644475..af889eb 100644
--- a/system_stats.h
+++ b/system_stats.h
@@ -31,6 +31,7 @@ typedef struct {
 	unsigned long cache;
 	unsigned long dirty;
 	unsigned long oom_kill;
+	unsigned long failcnt;
 } cgroup_memory;
 
 typedef struct {