diff --git a/[refs] b/[refs]
index 9f2e8852e474..c43a73ff818e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 210f9cb2cf2effca690271085f4bd6a3ea286e6c
+refs/heads/master: dc79959aaf80e518741657a702fa2727c86c1189
diff --git a/trunk/tools/perf/builtin-top.c b/trunk/tools/perf/builtin-top.c
index 37512e936235..a1b1d10912dc 100644
--- a/trunk/tools/perf/builtin-top.c
+++ b/trunk/tools/perf/builtin-top.c
@@ -686,6 +686,8 @@ static void handle_keypress(int c)
 	switch (c) {
 		case 'd':
 			prompt_integer(&delay_secs, "Enter display delay");
+			if (delay_secs < 1)
+				delay_secs = 1;
 			break;
 		case 'e':
 			prompt_integer(&print_entries, "Enter display entries (lines)");