1 files changed, 1 insertions, 1 deletions
diff --git a/utils.hpp b/utils.hpp
index 0c49739..930ae02 100644
--- a/utils.hpp
+++ b/utils.hpp
@@ -13,10 +13,10 @@
 #endif
 #else
 #include <cassert>
+#include <cstdlib>
 #define UNREACHABLE (assert((void*)0 == "Unreachable code reached"), abort(), 1)
 #endif
 
-
 #include <stdint.h>
 
 namespace Utils {