diff --git a/include/polarssl/rsa.h b/include/polarssl/rsa.h
index bbfe77d..c9ecbcd 100644
--- a/include/polarssl/rsa.h
+++ b/include/polarssl/rsa.h
@@ -27,7 +27,7 @@
 #ifndef POLARSSL_RSA_H
 #define POLARSSL_RSA_H
 
-#include "polarssl/bignum.h"
+#include "bignum.h"
 
 /*
  * RSA Error codes