diff --git a/src/c-stdaux/src/c-stdaux-generic.h b/src/c-stdaux/src/c-stdaux-generic.h
index 86be1d317..e032b5d68 100644
--- a/src/c-stdaux/src/c-stdaux-generic.h
+++ b/src/c-stdaux/src/c-stdaux-generic.h
@@ -299,7 +299,7 @@ extern "C" {
  * optimize it away.
  */
 #define c_assert(_x) (                                                          \
-                _c_likely_(_x)                                                  \
+                (bool)(_x)                                                      \
                         ? assert(true && #_x)                                   \
                         : assert(false && #_x)                                  \
         )