diff --git a/internal/percentage.go b/internal/percentage.go
index d0ca0db..e321e0a 100644
--- a/internal/percentage.go
+++ b/internal/percentage.go
@@ -16,10 +16,3 @@
 func PercentageRound(total, current int64, width int) float64 {
 	return math.Round(Percentage(total, current, width))
 }
-
-func CalcWidthForBarFiller(reqWidth, available int) int {
-	if reqWidth <= 0 || reqWidth >= available {
-		return available
-	}
-	return reqWidth
-}
diff --git a/internal/width.go b/internal/width.go
new file mode 100644
index 0000000..0d348be
--- /dev/null
+++ b/internal/width.go
@@ -0,0 +1,8 @@
+package internal
+
+func CalcWidthForBarFiller(reqWidth, available int) int {
+	if reqWidth <= 0 || reqWidth >= available {
+		return available
+	}
+	return reqWidth
+}