diff --git a/src/libs/vmisc/compatibility.h b/src/libs/vmisc/compatibility.h
index 356f692a1..79f6d0aba 100644
--- a/src/libs/vmisc/compatibility.h
+++ b/src/libs/vmisc/compatibility.h
@@ -67,13 +67,13 @@ QT_WARNING_PUSH
 QT_WARNING_DISABLE_CLANG("-Wreserved-identifier")
 
 //---------------------------------------------------------------------------------------------------------------------
-Q_DECL_CONSTEXPR inline auto operator""_L1(char ch)Q_DECL_NOEXCEPT->QLatin1Char
+Q_DECL_CONSTEVAL inline auto operator""_L1(char ch)Q_DECL_NOEXCEPT->QLatin1Char
 {
     return QLatin1Char(ch);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-Q_DECL_CONSTEXPR inline auto operator""_L1(const char *str, size_t size)Q_DECL_NOEXCEPT->QLatin1String
+Q_DECL_CONSTEVAL inline auto operator""_L1(const char *str, size_t size)Q_DECL_NOEXCEPT->QLatin1String
 {
     return QLatin1String(str, static_cast<vsizetype>(size));
 }
diff --git a/src/libs/vmisc/defglobal.h b/src/libs/vmisc/defglobal.h
index 216f9e0a4..2631f6449 100644
--- a/src/libs/vmisc/defglobal.h
+++ b/src/libs/vmisc/defglobal.h
@@ -59,4 +59,10 @@ class QTextCodec;
 using VTextCodec = QTextCodec;
 #endif
 
+#if __cplusplus >= 202002L && defined(__cpp_consteval) && __cpp_consteval >= 201811L
+#define Q_DECL_CONSTEVAL consteval
+#else
+#define Q_DECL_CONSTEVAL constexpr
+#endif
+
 #endif // DEFGLOBAL_H