diff --git a/packages/mermaid/src/diagrams/pie/pie.spec.ts b/packages/mermaid/src/diagrams/pie/pie.spec.ts
index 7a08c8edbc..fed10a49a5 100644
--- a/packages/mermaid/src/diagrams/pie/pie.spec.ts
+++ b/packages/mermaid/src/diagrams/pie/pie.spec.ts
@@ -8,8 +8,11 @@ setConfig({
 });
 
 describe('pie chart', () => {
-  beforeEach(() => {
+  beforeAll(() => {
     parser.yy = db;
+  });
+
+  beforeEach(() => {
     parser.yy.clear();
   });