diff --git a/libraries/libvapours/include/vapours/util/util_bitutil.hpp b/libraries/libvapours/include/vapours/util/util_bitutil.hpp
index 1a3063c..ade7193 100644
--- a/libraries/libvapours/include/vapours/util/util_bitutil.hpp
+++ b/libraries/libvapours/include/vapours/util/util_bitutil.hpp
@@ -70,7 +70,7 @@
     };
 
     template<typename T = u64, typename ...Args>
-    T CombineBits(Args... args) {
+    constexpr ALWAYS_INLINE T CombineBits(Args... args) {
         return (... | (T(1u) << args));
     }