diff --git a/programs/ssl/ssl_client1.c b/programs/ssl/ssl_client1.c
index 78ad43e..b69c78e 100644
--- a/programs/ssl/ssl_client1.c
+++ b/programs/ssl/ssl_client1.c
@@ -57,7 +57,7 @@
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) ||  \
     !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_CLI_C) || \
     !defined(POLARSSL_NET_C) || !defined(POLARSSL_RSA_C) ||         \
-    !defined(POLARSSL_CTR_DRBG_C)
+    !defined(POLARSSL_CTR_DRBG_C) || !defined(POLARSSL_X509_PARSE_C)
 int main( int argc, char *argv[] )
 {
     ((void) argc);
@@ -66,7 +66,8 @@
     printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_CLI_C and/or "
            "POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
-           "POLARSSL_CTR_DRBG_C not defined.\n");
+           "POLARSSL_CTR_DRBG_C and/or POLARSSL_X509_PARSE_C "
+           "not defined.\n");
     return( 0 );
 }
 #else