diff --git a/src/libsodium/sodium/core.c b/src/libsodium/sodium/core.c
index e087c0a9..654b1ec8 100644
--- a/src/libsodium/sodium/core.c
+++ b/src/libsodium/sodium/core.c
@@ -3,6 +3,7 @@
 
 #include "core.h"
 #include "crypto_onetimeauth.h"
+#include "randombytes.h"
 
 static bool initialized;