diff --git a/include/biccommands.hpp b/include/biccommands.hpp
index 44d0e76..dfce3a4 100644
--- a/include/biccommands.hpp
+++ b/include/biccommands.hpp
@@ -1,3 +1,4 @@
+#include <cstdint>
 
 enum class fb_bic_cmds : uint8_t
 {