diff --git a/src/core/Entry.cpp b/src/core/Entry.cpp
index 208a1dec..235dd3a7 100644
--- a/src/core/Entry.cpp
+++ b/src/core/Entry.cpp
@@ -690,7 +690,7 @@ QString Entry::resolvePlaceholder(const QString& str) const
     // using format from http://keepass.info/help/base/fieldrefs.html at the time of writing,
     // but supporting lookups of standard fields and references by UUID only
 
-    QRegExp tmpRegExp("\\{REF:([TUPAN])@I:([^}]+)\\}", Qt::CaseInsensitive, QRegExp::RegExp2);
+    QRegExp tmpRegExp = m_attributes->referenceRegExp();
     if (tmpRegExp.indexIn(result) != -1) {
         // cap(0) contains the whole reference
         // cap(1) contains which field is wanted
diff --git a/src/core/EntryAttributes.cpp b/src/core/EntryAttributes.cpp
index 6f3c4fd6..94e5f96b 100644
--- a/src/core/EntryAttributes.cpp
+++ b/src/core/EntryAttributes.cpp
@@ -28,6 +28,7 @@ const QString EntryAttributes::RememberCmdExecAttr = "_EXEC_CMD";
 
 EntryAttributes::EntryAttributes(QObject* parent)
     : QObject(parent)
+    , m_referenceRegExp("\\{REF:([TUPAN])@I:([^}]+)\\}", Qt::CaseInsensitive, QRegExp::RegExp2)
 {
     clear();
 }
@@ -77,13 +78,17 @@ bool EntryAttributes::isReference(const QString& key) const
     }
 
     QString data = value(key);
-    QRegExp referenceRegExp("\\{REF:([TUPAN])@I:([^}]+)\\}", Qt::CaseInsensitive, QRegExp::RegExp2);
-    if (referenceRegExp.indexIn(data) != -1) {
+    if (m_referenceRegExp.indexIn(data) != -1) {
         return true;
     }
     return false;
 }
 
+QRegExp EntryAttributes::referenceRegExp() const
+{
+    return m_referenceRegExp;
+}
+
 void EntryAttributes::set(const QString& key, const QString& value, bool protect)
 {
     bool emitModified = false;
diff --git a/src/core/EntryAttributes.h b/src/core/EntryAttributes.h
index be33ab16..42abed1e 100644
--- a/src/core/EntryAttributes.h
+++ b/src/core/EntryAttributes.h
@@ -36,6 +36,7 @@ public:
     bool contains(const QString& key) const;
     bool isProtected(const QString& key) const;
     bool isReference(const QString& key) const;
+    QRegExp referenceRegExp() const;
     void set(const QString& key, const QString& value, bool protect = false);
     void remove(const QString& key);
     void rename(const QString& oldKey, const QString& newKey);
@@ -72,6 +73,7 @@ Q_SIGNALS:
 private:
     QMap<QString, QString> m_attributes;
     QSet<QString> m_protectedAttributes;
+    QRegExp m_referenceRegExp;
 };
 
 #endif // KEEPASSX_ENTRYATTRIBUTES_H