diff --git a/bar_filler_spinner.go b/bar_filler_spinner.go
index c0fd392..fcd4353 100644
--- a/bar_filler_spinner.go
+++ b/bar_filler_spinner.go
@@ -15,7 +15,7 @@
 	positionRight
 )
 
-var defaultSpinnerStyle = []string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"}
+var defaultSpinnerStyle = [...]string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"}
 
 // SpinnerStyleComposer interface.
 type SpinnerStyleComposer interface {
@@ -47,7 +47,7 @@
 	if len(frames) != 0 {
 		ss.frames = frames
 	} else {
-		ss.frames = defaultSpinnerStyle
+		ss.frames = defaultSpinnerStyle[:]
 	}
 	return ss
 }
diff --git a/decor/spinner.go b/decor/spinner.go
index 6871639..9d2f890 100644
--- a/decor/spinner.go
+++ b/decor/spinner.go
@@ -1,6 +1,6 @@
 package decor
 
-var defaultSpinnerStyle = []string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"}
+var defaultSpinnerStyle = [...]string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"}
 
 // Spinner returns spinner decorator.
 //
@@ -9,7 +9,7 @@
 //	`wcc` optional WC config
 func Spinner(frames []string, wcc ...WC) Decorator {
 	if len(frames) == 0 {
-		frames = defaultSpinnerStyle
+		frames = defaultSpinnerStyle[:]
 	}
 	var count uint
 	f := func(s Statistics) string {