diff --git a/libs/ui/src/lib/fire-calculator/fire-calculator.component.ts b/libs/ui/src/lib/fire-calculator/fire-calculator.component.ts
index 50132f4f5..12bdf2bc3 100644
--- a/libs/ui/src/lib/fire-calculator/fire-calculator.component.ts
+++ b/libs/ui/src/lib/fire-calculator/fire-calculator.component.ts
@@ -84,7 +84,7 @@ export class FireCalculatorComponent
   }
 
   public ngAfterViewInit() {
-    if (this.fireWealth >= 0) {
+    if (this.fireWealth && this.fireWealth >= 0) {
       setTimeout(() => {
         // Wait for the chartCanvas
         this.calculatorForm.patchValue({
@@ -98,7 +98,7 @@ export class FireCalculatorComponent
   }
 
   public ngOnChanges() {
-    if (this.fireWealth >= 0) {
+    if (this.fireWealth && this.fireWealth >= 0) {
       setTimeout(() => {
         // Wait for the chartCanvas
         this.calculatorForm.patchValue({