diff --git a/src/common/Cryptography/RSA.h b/src/common/Cryptography/RSA.h
index b6d7ce951dc..a55751bfd7c 100644
--- a/src/common/Cryptography/RSA.h
+++ b/src/common/Cryptography/RSA.h
@@ -16,6 +16,7 @@
  */
 
 #include <openssl/rsa.h>
+#include <type_traits>
 
 namespace Trinity
 {