diff --git a/src/libs/vmisc/compatibility.h b/src/libs/vmisc/compatibility.h
index 8b8f91b56..4aaeaa7c0 100644
--- a/src/libs/vmisc/compatibility.h
+++ b/src/libs/vmisc/compatibility.h
@@ -286,4 +286,20 @@ inline auto TextWidthF(const QFontMetricsF &fm, const QString &text) -> qreal
 #endif
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+template <typename Key, typename T>
+inline auto Insert(QMap<Key, T> &map1, const QMap<Key, T> &map2) -> void
+{
+#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
+    map1.insert(map2);
+#else
+    auto i = map2.constBegin();
+    while (i != map2.constEnd())
+    {
+        map1.insert(i.key(), i.value());
+        ++i;
+    }
+#endif
+}
+
 #endif // COMPATIBILITY_H
diff --git a/src/libs/vpatterndb/vcontainer.cpp b/src/libs/vpatterndb/vcontainer.cpp
index 1a9851cc4..de03964af 100644
--- a/src/libs/vpatterndb/vcontainer.cpp
+++ b/src/libs/vpatterndb/vcontainer.cpp
@@ -597,12 +597,7 @@ const QMap<QString, QSharedPointer<VMeasurement> > VContainer::DataMeasurementsW
     QMap<QString, QSharedPointer<VMeasurement> > measurements = DataVar<VMeasurement>(VarType::Measurement);
     QMap<QString, QSharedPointer<VMeasurement> > separators = DataVar<VMeasurement>(VarType::MeasurementSeparator);
 
-    QMap<QString, QSharedPointer<VMeasurement>>::const_iterator i = separators.constBegin();
-    while (i != separators.constEnd())
-    {
-        measurements.insert(i.key(), i.value());
-        ++i;
-    }
+    Insert(measurements, separators);
 
     return measurements;
 }
@@ -619,12 +614,7 @@ const QMap<QString, QSharedPointer<VIncrement> > VContainer::DataIncrementsWithS
     QMap<QString, QSharedPointer<VIncrement> > increments = DataVar<VIncrement>(VarType::Increment);
     QMap<QString, QSharedPointer<VIncrement> > separators = DataVar<VIncrement>(VarType::IncrementSeparator);
 
-    QMap<QString, QSharedPointer<VIncrement>>::const_iterator i = separators.constBegin();
-    while (i != separators.constEnd())
-    {
-        increments.insert(i.key(), i.value());
-        ++i;
-    }
+    Insert(increments, separators);
 
     return increments;
 }