diff --git a/providers/implementations/rands/seeding/rand_unix.c b/providers/implementations/rands/seeding/rand_unix.c
index eab08a8150..5048383077 100644
--- a/providers/implementations/rands/seeding/rand_unix.c
+++ b/providers/implementations/rands/seeding/rand_unix.c
@@ -41,6 +41,7 @@
 # include <sys/random.h>
 #endif
 #if defined(__APPLE__)
+# include <CommonCrypto/CommonCryptoError.h>
 # include <CommonCrypto/CommonRandom.h>
 #endif