1 files changed, 1 insertions, 0 deletions
diff --git a/src/linguist/shared/proitems.h b/src/linguist/shared/proitems.h
index c7af53b1c..37a25196a 100644
--- a/src/linguist/shared/proitems.h
+++ b/src/linguist/shared/proitems.h
@@ -67,6 +67,7 @@ class ProString {
 public:
     ProString();
     ProString(const ProString &other);
+    ProString &operator=(const ProString &) = default;
     PROITEM_EXPLICIT ProString(const QString &str);
     PROITEM_EXPLICIT ProString(const QStringRef &str);
     PROITEM_EXPLICIT ProString(const char *str);