diff --git a/chars.go b/chars.go
index 01dcfc0..162e84f 100644
--- a/chars.go
+++ b/chars.go
@@ -77,6 +77,7 @@ var charWidths = map[string]float64{
 	"(":  7.8,
 	")":  7.8,
 	"-":  10.300003051757812,
+	"—":  10.300003051757812,
 	"_":  9.73333740234375,
 	"=":  14.333328247070312,
 	"+":  14.333328247070312,
diff --git a/main.go b/main.go
index 1e46a86..2644b4b 100644
--- a/main.go
+++ b/main.go
@@ -208,8 +208,10 @@ func calculateHeight(tweet anaconda.Tweet) int64 {
 	lineHeight := 28.0
 	tweetText := strings.ReplaceAll(tweet.FullText, "<br />", " \n")
 	tweetText = strip.StripTags(tweetText)
+	tweetText = strings.ReplaceAll(tweetText, "--", "——")
 	words := regexp.MustCompile(`[ |-]`).Split(tweetText, -1)
 	for _, word := range words {
+		word = strings.ReplaceAll(word, "——", "--")
 		if len(emoji.FindAll(word)) > 0 {
 			lineHeight = 32.0
 		}