diff --git a/AK/Format.h b/AK/Format.h
index e36d4b006fc..4aaa9feb5f5 100644
--- a/AK/Format.h
+++ b/AK/Format.h
@@ -136,7 +136,7 @@ struct TypeErasedParameter {
             if constexpr (sizeof(T) > sizeof(size_t))
                 VERIFY(value < NumericLimits<size_t>::max());
             if constexpr (IsSigned<T>)
-                VERIFY(value > 0);
+                VERIFY(value >= 0);
             return static_cast<size_t>(value);
         });
     }