diff --git a/ex01/src/Span.cpp b/ex01/src/Span.cpp
index 4a547c8..620cfdd 100644
--- a/ex01/src/Span.cpp
+++ b/ex01/src/Span.cpp
@@ -41,7 +41,7 @@ int Span::shortestSpan() const
 
 int Span::longestSpan() const
 {
-    if (this->_vector.size() == 0)
+    if (this->_vector.size() < 2)
         throw std::exception();
     return *std::max_element(this->_vector.begin(), this->_vector.end()) - *std::min_element(this->_vector.begin(), this->_vector.end());
 }