diff --git a/packages/mermaid/src/diagrams/class/styles.js b/packages/mermaid/src/diagrams/class/styles.js
index 5f99a8b91..9bad27f38 100644
--- a/packages/mermaid/src/diagrams/class/styles.js
+++ b/packages/mermaid/src/diagrams/class/styles.js
@@ -145,6 +145,7 @@ g.classGroup line {
 
 .edgeTerminals {
   font-size: 11px;
+  line-height: initial;
 }
 
 .classTitleText {