diff --git a/crypto/rand_extra/CMakeLists.txt b/crypto/rand_extra/CMakeLists.txt
index 2841ef6..cdd7aa8 100644
--- a/crypto/rand_extra/CMakeLists.txt
+++ b/crypto/rand_extra/CMakeLists.txt
@@ -5,6 +5,7 @@
 
   OBJECT
 
+  deterministic.c
   forkunsafe.c
   fuchsia.c
   rand_extra.c