diff --git a/include/polarssl/ecp.h b/include/polarssl/ecp.h
index dec4e0a..3a9a7b6 100644
--- a/include/polarssl/ecp.h
+++ b/include/polarssl/ecp.h
@@ -176,10 +176,6 @@
  */
 #define POLARSSL_ECP_TLS_NAMED_CURVE    3   /**< ECCurveType's named_curve */
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /**
  * \brief           Return the list of supported curves with associated info
  *
diff --git a/include/polarssl/openssl.h b/include/polarssl/openssl.h
index 62609a2..0e9de22 100644
--- a/include/polarssl/openssl.h
+++ b/include/polarssl/openssl.h
@@ -62,6 +62,10 @@
 #define AES_cbc_encrypt( INPUT, OUTPUT, LEN, CTX, IV, MODE ) \
         aes_crypt_cbc( (CTX), (MODE), (LEN), (IV), (INPUT), (OUTPUT) )
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * RSA stuff follows. TODO: needs cleanup
  */
@@ -76,7 +80,7 @@
 {
     unsigned char *buffer = *(unsigned char **) bufptr;
     rsa_context *rsa;
-    
+
     /*
      * Not a general-purpose parser: only parses public key from *exactly*
      *   openssl genrsa -out privkey.pem 512 (or 1024)
diff --git a/include/polarssl/x509.h b/include/polarssl/x509.h
index 285e69c..e7472c4 100644
--- a/include/polarssl/x509.h
+++ b/include/polarssl/x509.h
@@ -274,4 +274,9 @@
 int x509_write_sig( unsigned char **p, unsigned char *start,
                     const char *oid, size_t oid_len,
                     unsigned char *sig, size_t size );
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* x509.h */