diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 63df031fc9c73..49096ea58a15d 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -213,7 +213,7 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
 		       &event->mmap.pgoff,
 		       execname);
 
-		if (n != 8)
+		if (n != 5)
 			continue;
 
 		if (prot[2] != 'x')