diff --git a/packages/mermaid/src/utils.ts b/packages/mermaid/src/utils.ts
index c1a29b1b8..9d282991a 100644
--- a/packages/mermaid/src/utils.ts
+++ b/packages/mermaid/src/utils.ts
@@ -7,7 +7,7 @@ import {
   CurveFactory,
   curveLinear,
   curveLinearClosed,
-  curveMonoisEmptytoneX,
+  curveMonotoneX,
   curveMonotoneY,
   curveNatural,
   curveStep,