diff --git a/crypto/ebcdic.c b/crypto/ebcdic.c
index bc968ea80..d1bece87f 100644
--- a/crypto/ebcdic.c
+++ b/crypto/ebcdic.c
@@ -211,8 +211,8 @@ ascii2ebcdic(void *dest, const void *srce, size_t count)
 }
 
 #else /*CHARSET_EBCDIC*/
-#include <openssl/opensslconf.h>
-#if defined(PEDANTIC) || defined(__DECC)
+#include <openssl/e_os2.h>
+#if defined(PEDANTIC) || defined(__DECC) || defined(OPENSSL_SYS_MACOSX)
 static void *dummy=&dummy;
 #endif
 #endif