diff --git a/src/libs/utils/smallstring.h b/src/libs/utils/smallstring.h
index f7bc78f3040..b050d3f6f19 100644
--- a/src/libs/utils/smallstring.h
+++ b/src/libs/utils/smallstring.h
@@ -69,7 +69,7 @@ public:
                 ? sizeof(Internal::StringDataLayout<Size>) == Size + 1
                 : sizeof(Internal::StringDataLayout<Size>) == Size + 2,
                   "Size is wrong");
-
+    constexpr
     BasicSmallString() noexcept
         : m_data(Internal::StringDataLayout<Size>())
     {
diff --git a/src/libs/utils/smallstringlayout.h b/src/libs/utils/smallstringlayout.h
index fc39922b63c..3a93fe8805a 100644
--- a/src/libs/utils/smallstringlayout.h
+++ b/src/libs/utils/smallstringlayout.h
@@ -98,7 +98,7 @@ struct ALIGNAS_16 StringDataLayout {
                 : ((MaximumShortStringDataAreaSize + 2) % 16) == 0,
                   "Size + 1 must be dividable by 16 if under 64 and Size + 2 must be dividable by 16 if over 64!");
 
-    StringDataLayout() noexcept = default;
+    constexpr StringDataLayout() noexcept = default;
 
     constexpr StringDataLayout(const char *string,
                                size_type size) noexcept