diff --git a/crypto/sha/sha1dgst.c b/crypto/sha/sha1dgst.c
index 50d1925cde..6f15462548 100644
--- a/crypto/sha/sha1dgst.c
+++ b/crypto/sha/sha1dgst.c
@@ -63,6 +63,7 @@
 #define SHA_1
 
 #include <openssl/opensslv.h>
+#include <openssl/fips.h>
 
 const char SHA1_version[]="SHA1" OPENSSL_VERSION_PTEXT;