diff --git a/library/x509_crt.c b/library/x509_crt.c
index acda1f2..8a59bf8 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -1786,8 +1786,7 @@
         if( crt->serial.len == cur->serial.len &&
             memcmp( crt->serial.p, cur->serial.p, crt->serial.len ) == 0 )
         {
-            if( mbedtls_x509_time_is_past( &cur->revocation_date ) )
-                return( 1 );
+            return( 1 );
         }
 
         cur = cur->next;