diff --git a/Processors/68000/68000.hpp b/Processors/68000/68000.hpp
index b57d1f6a6..e1babcab6 100644
--- a/Processors/68000/68000.hpp
+++ b/Processors/68000/68000.hpp
@@ -9,6 +9,7 @@
 #ifndef MC68000_h
 #define MC68000_h
 
+#include <cassert>
 #include <cstdint>
 #include <cstring>
 #include <iomanip>