diff --git a/formatters/html/html.go b/formatters/html/html.go
index 5c42d19c4..3c3134c78 100644
--- a/formatters/html/html.go
+++ b/formatters/html/html.go
@@ -381,7 +381,7 @@ func (f *Formatter) styleAttr(styles map[chroma.TokenType]string, tt chroma.Toke
 
 func (f *Formatter) tabWidthStyle() string {
 	if f.tabWidth != 0 && f.tabWidth != 8 {
-		return fmt.Sprintf("-moz-tab-size: %[1]d; -o-tab-size: %[1]d; tab-size: %[1]d", f.tabWidth)
+		return fmt.Sprintf("-moz-tab-size: %[1]d; -o-tab-size: %[1]d; tab-size: %[1]d;", f.tabWidth)
 	}
 	return ""
 }
diff --git a/formatters/html/html_test.go b/formatters/html/html_test.go
index ce3182c0c..06a182939 100644
--- a/formatters/html/html_test.go
+++ b/formatters/html/html_test.go
@@ -117,7 +117,7 @@ func TestTabWidthStyle(t *testing.T) {
 	err = f.Format(&buf, styles.Fallback, it)
 	assert.NoError(t, err)
 
-	assert.Regexp(t, `<pre.*style=".*background-color:[^;]+;-moz-tab-size:4;-o-tab-size:4;tab-size:4[^"]*".+`, buf.String())
+	assert.Regexp(t, `<pre.*style=".*background-color:[^;]+;-moz-tab-size:4;-o-tab-size:4;tab-size:4;[^"]*".+`, buf.String())
 }
 
 func TestWithCustomCSS(t *testing.T) {