diff --git a/tests/src/lib/Snapshot.cpp b/tests/src/lib/Snapshot.cpp
index b85915bb3d0..f442481b6c7 100644
--- a/tests/src/lib/Snapshot.cpp
+++ b/tests/src/lib/Snapshot.cpp
@@ -6,6 +6,7 @@
 #include <QDir>
 #include <QJsonArray>
 #include <QJsonDocument>
+#include <QStringBuilder>
 
 #include <set>