diff --git a/include/openssl/ec.h b/include/openssl/ec.h
index 41a9c34..966393e 100644
--- a/include/openssl/ec.h
+++ b/include/openssl/ec.h
@@ -348,13 +348,15 @@
 // EC_POINT_clear_free calls |EC_POINT_free|.
 OPENSSL_EXPORT void EC_POINT_clear_free(EC_POINT *point);
 
-// Old code expects to get EC_KEY from ec.h.
-#include <openssl/ec_key.h>
-
 
 #if defined(__cplusplus)
 }  // extern C
+#endif
 
+// Old code expects to get EC_KEY from ec.h.
+#include <openssl/ec_key.h>
+
+#if defined(__cplusplus)
 extern "C++" {
 
 BSSL_NAMESPACE_BEGIN