diff --git a/packages/mermaid/src/diagrams/class/styles.js b/packages/mermaid/src/diagrams/class/styles.js
index f12f609f9..a81aa03a8 100644
--- a/packages/mermaid/src/diagrams/class/styles.js
+++ b/packages/mermaid/src/diagrams/class/styles.js
@@ -146,6 +146,7 @@ g.classGroup line {
 
 .edgeTerminals {
   font-size: 11px;
+  line-height: initial;
 }
 
 .classTitleText {