diff --git a/packages/webapp/src/components/Form/SexDetails/SexDetailsCountInput/index.tsx b/packages/webapp/src/components/Form/SexDetails/SexDetailsCountInput/index.tsx
index f46d0900b0..5c39790168 100644
--- a/packages/webapp/src/components/Form/SexDetails/SexDetailsCountInput/index.tsx
+++ b/packages/webapp/src/components/Form/SexDetails/SexDetailsCountInput/index.tsx
@@ -38,6 +38,7 @@ export default function SexDetailsCountInput({
     max,
     clampOnBlur: false,
     useGrouping: false,
+    allowDecimal: false,
     onChange: (num) => onCountChange?.(isNaN(num) ? 0 : num),
   });