diff --git a/include/CustomAssert.h b/include/CustomAssert.h
index 96e52e8..5465651 100644
--- a/include/CustomAssert.h
+++ b/include/CustomAssert.h
@@ -59,7 +59,7 @@ inline void _assert([[maybe_unused]] const char* file, [[maybe_unused]] const ch
 #define beammp_assert_not_reachable() _assert(__FILE__, __func__, __LINE__, "reached unreachable code", false)
 #else
 // In release build, these macros turn into NOPs. The compiler will optimize these out.
-#define beammp_assert(x) \
+#define beammp_assert(cond) \
     do {                                                              \
         bool result = (cond);                                         \
         if (!result) {                                                \