diff --git a/bar.go b/bar.go
index 8e7f539..ff61ff3 100644
--- a/bar.go
+++ b/bar.go
@@ -53,7 +53,7 @@
 		till int64
 	}
 	state struct {
-		id             int64
+		id             int
 		format         formatRunes
 		etaAlpha       float64
 		barWidth       int
@@ -70,7 +70,7 @@
 	}
 )
 
-func newBar(ctx context.Context, wg *sync.WaitGroup, id, total int64, width int, format string) *Bar {
+func newBar(ctx context.Context, wg *sync.WaitGroup, id int, total int64, width int, format string) *Bar {
 	b := &Bar{
 		formatElementCh: make(chan runeFormatElement),
 		etaAlphaCh:      make(chan float64),
@@ -220,7 +220,7 @@
 }
 
 // GetID returs id of the bar
-func (b *Bar) GetID() int64 {
+func (b *Bar) GetID() int {
 	state := b.getState()
 	return state.id
 }
@@ -289,7 +289,7 @@
 	return state.draw(termWidth)
 }
 
-func (b *Bar) server(ctx context.Context, wg *sync.WaitGroup, id, total int64, width int, format string) {
+func (b *Bar) server(ctx context.Context, wg *sync.WaitGroup, id int, total int64, width int, format string) {
 	var completed bool
 	timeStarted := time.Now()
 	blockStartTime := timeStarted
diff --git a/progress.go b/progress.go
index e960862..00d459e 100644
--- a/progress.go
+++ b/progress.go
@@ -139,7 +139,7 @@
 
 // AddBarWithID creates a new progress bar and adds to the container
 // pancis, if called on stopped Progress instance, i.e after Stop()
-func (p *Progress) AddBarWithID(id, total int64) *Bar {
+func (p *Progress) AddBarWithID(id int, total int64) *Bar {
 	if IsClosed(p.done) {
 		panic(ErrCallAfterStop)
 	}