diff --git a/programs/pkey/rsa_verify.c b/programs/pkey/rsa_verify.c
index c43fc30..88d4d04 100644
--- a/programs/pkey/rsa_verify.c
+++ b/programs/pkey/rsa_verify.c
@@ -33,7 +33,7 @@
 #define polarssl_printf     printf
 #endif
 
-#if defined(POLARSSL_BIGNUM_C) && defined(POLARSSL_RSA_C) &&\
+#if defined(POLARSSL_BIGNUM_C) && defined(POLARSSL_RSA_C) && \
     defined(POLARSSL_SHA256_C) && defined(POLARSSL_FS_IO)
 #include "polarssl/rsa.h"
 #include "polarssl/sha1.h"