diff --git a/_examples/reverseBar/main.go b/_examples/reverseBar/main.go
index 37bcb01..542b63c 100644
--- a/_examples/reverseBar/main.go
+++ b/_examples/reverseBar/main.go
@@ -54,7 +54,7 @@
 	p.Wait()
 }
 
-func condBuilder(cond bool) mpb.BarFillerBuilderFunc {
+func condBuilder(cond bool) mpb.BarFillerBuilder {
 	return mpb.BarFillerBuilderFunc(func() mpb.BarFiller {
 		bs := mpb.BarStyle()
 		if cond {
diff --git a/_examples/spinnerBar/main.go b/_examples/spinnerBar/main.go
index a68dec2..db3e080 100644
--- a/_examples/spinnerBar/main.go
+++ b/_examples/spinnerBar/main.go
@@ -55,7 +55,7 @@
 	p.Wait()
 }
 
-func condBuilder(cond bool) mpb.BarFillerBuilderFunc {
+func condBuilder(cond bool) mpb.BarFillerBuilder {
 	return mpb.BarFillerBuilderFunc(func() mpb.BarFiller {
 		if cond {
 			// spinner Bar on cond