diff --git a/crypto/fipsmodule/ec/ec_key.c b/crypto/fipsmodule/ec/ec_key.c
index 8b89dc2..e676e3c 100644
--- a/crypto/fipsmodule/ec/ec_key.c
+++ b/crypto/fipsmodule/ec/ec_key.c
@@ -79,6 +79,7 @@
 
 #include "internal.h"
 #include "../delocate.h"
+#include "../service_indicator/internal.h"
 #include "../../internal.h"
 
 
diff --git a/crypto/fipsmodule/ecdsa/ecdsa.c b/crypto/fipsmodule/ecdsa/ecdsa.c
index ef77e42..b92f8b2 100644
--- a/crypto/fipsmodule/ecdsa/ecdsa.c
+++ b/crypto/fipsmodule/ecdsa/ecdsa.c
@@ -64,6 +64,7 @@
 #include "../../internal.h"
 #include "../bn/internal.h"
 #include "../ec/internal.h"
+#include "../service_indicator/internal.h"
 #include "internal.h"
 
 
diff --git a/crypto/fipsmodule/service_indicator/service_indicator.c b/crypto/fipsmodule/service_indicator/service_indicator.c
index eb4669b..febe534 100644
--- a/crypto/fipsmodule/service_indicator/service_indicator.c
+++ b/crypto/fipsmodule/service_indicator/service_indicator.c
@@ -15,6 +15,7 @@
 #include <openssl/crypto.h>
 #include <openssl/ec.h>
 #include <openssl/ec_key.h>
+#include <openssl/err.h>
 #include <openssl/evp.h>
 #include <openssl/service_indicator.h>