diff --git a/shared/helpers.h b/shared/helpers.h
index 10a9de0e..7ff60d03 100644
--- a/shared/helpers.h
+++ b/shared/helpers.h
@@ -181,6 +181,7 @@ do { \
  * @param cond Expression to check for truth
  * @param msg Message to print on failure
  */
+#if !(defined(__cplusplus) && __cplusplus >= 201103L)
 #ifndef static_assert
 # ifdef _Static_assert
 #  define static_assert(cond, msg) _Static_assert(cond, msg)
@@ -188,6 +189,7 @@ do { \
 #  define static_assert(cond, msg)
 # endif
 #endif
+#endif
 
 /** Ensure argument is of given type */
 #ifndef TYPEVERIFY