diff --git a/lib/intval/index.js b/lib/intval/index.js
index 20e7459..862b535 100644
--- a/lib/intval/index.js
+++ b/lib/intval/index.js
@@ -269,8 +269,8 @@ intval.frame = function (dir = null, time = null) {
 	
 	if (time === null && intval._state.time !== 0) {
 		time = intval._state.time
-	} else {
-		time = 0
+	} else if (time === null) {
+		time = 0 //default speed
 	}
 
 	intval._state.frame.start = +new Date()
@@ -284,7 +284,7 @@ intval.frame = function (dir = null, time = null) {
 	} else {
 		intval._startBwd()
 	}
-	if (time !== null && time !== 0) {
+	if (time !== 0) {
 		setTimeout(intval._pause, intval._state.frame.open)
 		if (dir) {
 			setTimeout(intval._startFwd, (time - intval._state.frame.open))