diff --git a/src/analyze/gui/parser.cpp b/src/analyze/gui/parser.cpp
--- a/src/analyze/gui/parser.cpp
+++ b/src/analyze/gui/parser.cpp
@@ -32,6 +32,16 @@
 
 using namespace std;
 
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+template<>
+struct hash<QString> {
+    std::size_t operator()(const QString &v) const noexcept
+    {
+        return qHash(v);
+    }
+};
+#endif
+
 // Only use this hash when filling in the cache
 struct CacheSymbolHash
 {