diff --git a/src/app/formulaManager/formulaManager.component.ts b/src/app/formulaManager/formulaManager.component.ts
index a196b54..291aa6f 100644
--- a/src/app/formulaManager/formulaManager.component.ts
+++ b/src/app/formulaManager/formulaManager.component.ts
@@ -63,7 +63,7 @@ export class FormulaManagerComponent {
     }
 
     delete(formula) {
-        this.dialog.open(DeleteComponent, {data: formula});
+        this.dialog.open(DeleteComponent, {data: formula}).afterClosed().subscribe(() => this.formula = null);
     }
 
     displayFormula(formula) {