diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
index d74b4da..dc541d3 100644
--- a/programs/x509/cert_app.c
+++ b/programs/x509/cert_app.c
@@ -34,10 +34,10 @@
 #define polarssl_printf     printf
 #endif
 
-#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_X509_CRT_PARSE_C) && defined(POLARSSL_FS_IO) &&\
+#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_X509_CRT_PARSE_C) && defined(POLARSSL_FS_IO) && \
     defined(POLARSSL_CTR_DRBG_C)
 #include "polarssl/entropy.h"
 #include "polarssl/ctr_drbg.h"