diff --git a/apps/web/src/common/utils/format.test.tsx b/apps/web/src/common/utils/format.test.tsx
index 7b6f1ea55..622a3c15c 100644
--- a/apps/web/src/common/utils/format.test.tsx
+++ b/apps/web/src/common/utils/format.test.tsx
@@ -32,4 +32,9 @@ describe('format', () => {
     expect(roundedNum(1.2345, 3)).toEqual(1.235);
     expect(roundedNum(100000)).toEqual(100000);
   });
+
+  it('honours a zero decimal count instead of falling back to two', function () {
+    expect(roundedNum(1.9, 0)).toEqual(2);
+    expect(roundedNum(1.4, 0)).toEqual(1);
+  });
 });
diff --git a/apps/web/src/common/utils/format.tsx b/apps/web/src/common/utils/format.tsx
index b684d448b..13f29d048 100644
--- a/apps/web/src/common/utils/format.tsx
+++ b/apps/web/src/common/utils/format.tsx
@@ -124,7 +124,9 @@ export const fmtEmptyDataValue = (value: any): any => {
 };
 
 export const roundedNum = (num: number, decimalPoint?: number) => {
-  const base = Math.pow(10, decimalPoint || 2);
+  // `|| 2` turned an explicit 0 into two decimals, so rounding to whole
+  // numbers was impossible.
+  const base = Math.pow(10, decimalPoint ?? 2);
   return Math.round(num * base) / base;
 };