diff --git a/YACReaderLibrary/yacreader_libraries.cpp b/YACReaderLibrary/yacreader_libraries.cpp
index 6067f7fb..da6a0c88 100644
--- a/YACReaderLibrary/yacreader_libraries.cpp
+++ b/YACReaderLibrary/yacreader_libraries.cpp
@@ -111,6 +111,12 @@ QList<YACReaderLibrary> YACReaderLibraries::getLibraries() const
     return libraries;
 }
 
+QUuid YACReaderLibraries::getLibraryIdFromLegacyId(int legacyId) const
+{
+    auto library = std::find_if(libraries.cbegin(), libraries.cend(), [legacyId](const YACReaderLibrary &library) { return library.getLegacyId() == legacyId; });
+    return library != libraries.cend() ? library->getId() : QUuid();
+}
+
 void YACReaderLibraries::addLibrary(const QString &name, const QString &path)
 {
     int legacyId = 0;
diff --git a/YACReaderLibrary/yacreader_libraries.h b/YACReaderLibrary/yacreader_libraries.h
index 255c4db3..5a425c7e 100644
--- a/YACReaderLibrary/yacreader_libraries.h
+++ b/YACReaderLibrary/yacreader_libraries.h
@@ -25,6 +25,7 @@ public:
     int getId(const QString &name);
     YACReaderLibraries &operator=(const YACReaderLibraries &source);
     QList<YACReaderLibrary> getLibraries() const;
+    QUuid getLibraryIdFromLegacyId(int legacyId) const;
 public slots:
     void addLibrary(const QString &name, const QString &path);
     void load();