diff --git a/crypto/symhacks.h b/crypto/symhacks.h
index 3f9d6f1ac5..c7f39cfa81 100644
--- a/crypto/symhacks.h
+++ b/crypto/symhacks.h
@@ -62,6 +62,12 @@
    VAX. */
 #ifdef OPENSSL_SYS_VMS
 
+/* Hack a long name in crypto/ex_data.c */
+#undef CRYPTO_get_ex_data_implementation
+#define CRYPTO_get_ex_data_implementation	CRYPTO_get_ex_data_impl
+#undef CRYPTO_set_ex_data_implementation
+#define CRYPTO_set_ex_data_implementation	CRYPTO_set_ex_data_impl
+
 /* Hack a long name in crypto/asn1/a_mbstr.c */
 #undef ASN1_STRING_set_default_mask_asc
 #define ASN1_STRING_set_default_mask_asc	ASN1_STRING_set_def_mask_asc