diff --git a/src/blackmisc/json.h b/src/blackmisc/json.h
index 22355a0c3..86df1caa3 100644
--- a/src/blackmisc/json.h
+++ b/src/blackmisc/json.h
@@ -443,7 +443,9 @@ namespace BlackMisc
                     {
                         constexpr bool required = false; //! \fixme add RequiredForJson flag in metaclass system
                         // cppcheck-suppress knownConditionTrueFalse
-                        if (required) { throw CJsonException(QStringLiteral("Missing required member '%1'").arg(member.latin1Name())); }
+                        // QLatin1String used instead of QStringLiteral below since the latter causes an internal compiler bug
+                        // in GCC 8 and higher
+                        if (required) { throw CJsonException(QLatin1String("Missing required member '%1'").arg(member.latin1Name())); }
                     }
                     else
                     {