diff --git a/dtool/Config.pp b/dtool/Config.pp
index 9609bfc926..573cf7f3e6 100644
--- a/dtool/Config.pp
+++ b/dtool/Config.pp
@@ -399,8 +399,8 @@
 #define OPENSSL_LPATH /usr/local/ssl/lib
 #define OPENSSL_LIBS ssl crypto
 #defer HAVE_OPENSSL $[libtest $[OPENSSL_LPATH],$[OPENSSL_LIBS]]
-// Define this nonempty if your version of OpenSSL is 0.9.7 or better.
-#define OPENSSL_097
+// Redefine this to empty if your version of OpenSSL is prior to 0.9.7.
+#define OPENSSL_097 1
 
 // Define this true to include the OpenSSL code to report verbose
 // error messages when they occur.