diff --git a/src/john.c b/src/john.c
index 7eb2fa1..c4d81b7 100644
--- a/src/john.c
+++ b/src/john.c
@@ -99,6 +99,8 @@ extern struct fmt_main fmt_MD5gen;
 
 #if OPENSSL_VERSION_NUMBER >= 0x10000000
 extern struct fmt_main fmt_django;
+#endif
+#if OPENSSL_VERSION_NUMBER >= 0x10001000
 extern struct fmt_main fmt_truecrypt;
 extern struct fmt_main fmt_truecrypt_sha512;
 extern struct fmt_main fmt_truecrypt_whirlpool;
@@ -224,6 +226,8 @@ static void john_register_all(void)
 
 #if OPENSSL_VERSION_NUMBER >= 0x10000000
 	john_register_one(&fmt_django);
+#endif
+#if OPENSSL_VERSION_NUMBER >= 0x10001000
 	john_register_one(&fmt_truecrypt);
 	john_register_one(&fmt_truecrypt_sha512);
 	john_register_one(&fmt_truecrypt_whirlpool);
diff --git a/src/truecrypt_fmt.c b/src/truecrypt_fmt.c
index 6cdaf8e..c82bad8 100644
--- a/src/truecrypt_fmt.c
+++ b/src/truecrypt_fmt.c
@@ -15,7 +15,7 @@
  * (This is a heavily cut-down "BSD license".)
  */
 #include <openssl/evp.h>
-#if OPENSSL_VERSION_NUMBER >= 0x10000000
+#if OPENSSL_VERSION_NUMBER >= 0x10001000
 
 #include <string.h>
 #include "arch.h"
@@ -424,4 +424,4 @@ struct fmt_main fmt_truecrypt_whirlpool = {
 	}
 };
 
-#endif
\ No newline at end of file
+#endif