diff --git a/Modules/config.c.in b/Modules/config.c.in
index 343f832f69a..5be675b4469 100644
--- a/Modules/config.c.in
+++ b/Modules/config.c.in
@@ -29,7 +29,7 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #ifdef __DATE__
 #define DATE __DATE__
 #else
-#define DATE "Dec 16 1991"
+#define DATE ">= Dec 16 1991"
 #endif
 
 #include <stdio.h>