diff --git a/src/plugins/projectexplorer/kit.cpp b/src/plugins/projectexplorer/kit.cpp
index a78a62388ff..fddea07c993 100644
--- a/src/plugins/projectexplorer/kit.cpp
+++ b/src/plugins/projectexplorer/kit.cpp
@@ -349,10 +349,10 @@ QString Kit::toHtml()
             str << "<b>";
             switch (t.type) {
             case Task::Error:
-                QCoreApplication::translate("ProjectExplorer::Kit", "Error:");
+                str << QCoreApplication::translate("ProjectExplorer::Kit", "Error:");
                 break;
             case Task::Warning:
-                QCoreApplication::translate("ProjectExplorer::Kit", "Warning:");
+                str << QCoreApplication::translate("ProjectExplorer::Kit", "Warning:");
                 break;
             case Task::Unknown:
             default: