diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c
index 358e70c4f3ed..6dcc4a9304b9 100644
--- a/tools/perf/util/mmap.c
+++ b/tools/perf/util/mmap.c
@@ -330,7 +330,7 @@ int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, struct perf_cpu
 int perf_mmap__push(struct mmap *md, void *to,
 		    int push(struct mmap *map, void *to, void *buf, size_t size))
 {
-	u64 head = perf_mmap__read_head(&md->core);
+	u64 head;
 	unsigned char *data = md->core.base + page_size;
 	unsigned long size;
 	void *buf;
@@ -340,6 +340,7 @@ int perf_mmap__push(struct mmap *md, void *to,
 	if (rc < 0)
 		return (rc == -EAGAIN) ? 1 : -1;
 
+	head = md->core.overwrite ? md->core.start : md->core.end;
 	size = md->core.end - md->core.start;
 
 	if ((md->core.start & md->core.mask) + size != (md->core.end & md->core.mask)) {