diff --git a/src/NumberInput/NumberInput.svelte b/src/NumberInput/NumberInput.svelte
index 2d98b278..a6f5347a 100644
--- a/src/NumberInput/NumberInput.svelte
+++ b/src/NumberInput/NumberInput.svelte
@@ -121,7 +121,7 @@
     } else {
       ref.stepDown();
     }
-    value = +ref.value;
+    value = parse(ref.value);
 
     dispatch("input", value);
     dispatch("change", value);