diff --git a/ansi.go b/ansi.go
index f84800c..a5b1aa8 100644
--- a/ansi.go
+++ b/ansi.go
@@ -146,12 +146,12 @@ func (a *ansi) Write(text []byte) (int, error) {
 							colorNumber, _ := strconv.Atoi(field)
 							foreground = lookupColor(colorNumber-30, false)
 						case "39":
-							foreground = "default"
+							foreground = "-"
 						case "40", "41", "42", "43", "44", "45", "46", "47":
 							colorNumber, _ := strconv.Atoi(field)
 							background = lookupColor(colorNumber-40, false)
 						case "49":
-							background = "default"
+							background = "-"
 						case "90", "91", "92", "93", "94", "95", "96", "97":
 							colorNumber, _ := strconv.Atoi(field)
 							foreground = lookupColor(colorNumber-90, true)
diff --git a/util.go b/util.go
index 267f794..810e0e1 100644
--- a/util.go
+++ b/util.go
@@ -125,8 +125,12 @@ func overlayStyle(background tcell.Color, defaultStyle tcell.Style, fgColor, bgC
 	style := defaultStyle.Background(background)
 
 	style = style.Foreground(defFg)
-	if fgColor != "" && fgColor != "-" {
-		style = style.Foreground(tcell.GetColor(fgColor))
+	if fgColor != "" {
+		if fgColor == "-" {
+			style = style.Foreground(defFg)
+		} else {
+			style = style.Foreground(tcell.GetColor(fgColor))
+		}
 	}
 
 	if bgColor == "-" || bgColor == "" && defBg != tcell.ColorDefault {