diff --git a/python/PyQt6/core/auto_generated/geometry/qgsgeometry.sip.in b/python/PyQt6/core/auto_generated/geometry/qgsgeometry.sip.in
index 1ca0b51d6d3..931d6ce6911 100644
--- a/python/PyQt6/core/auto_generated/geometry/qgsgeometry.sip.in
+++ b/python/PyQt6/core/auto_generated/geometry/qgsgeometry.sip.in
@@ -16,8 +16,7 @@
 
 typedef QVector<QgsPointXY> QgsPolylineXY;
 
-typedef QgsPointSequence QgsPolyline;
-
+typedef QVector<QgsPoint> QgsPolyline;
 
 typedef QVector<QVector< QgsPoint >> QgsMultiPolyline;
 
diff --git a/python/core/auto_generated/geometry/qgsgeometry.sip.in b/python/core/auto_generated/geometry/qgsgeometry.sip.in
index c25ba0ccd2c..8e46bfa96b0 100644
--- a/python/core/auto_generated/geometry/qgsgeometry.sip.in
+++ b/python/core/auto_generated/geometry/qgsgeometry.sip.in
@@ -16,8 +16,7 @@
 
 typedef QVector<QgsPointXY> QgsPolylineXY;
 
-typedef QgsPointSequence QgsPolyline;
-
+typedef QVector<QgsPoint> QgsPolyline;
 
 typedef QVector<QVector< QgsPoint >> QgsMultiPolyline;
 
diff --git a/src/core/geometry/qgsgeometry.h b/src/core/geometry/qgsgeometry.h
index ffa4081d83e..8b87e5969a3 100644
--- a/src/core/geometry/qgsgeometry.h
+++ b/src/core/geometry/qgsgeometry.h
@@ -67,15 +67,18 @@ typedef QVector<QgsPointXY> QgsPolylineXY;
  * This type has full support for Z/M dimensions.
  *
  */
+#ifndef SIP_RUN
 typedef QgsPointSequence QgsPolyline;
-
+#else
+typedef QVector<QgsPoint> QgsPolyline;
+#endif
 
 /**
  * Multi polyline represented as a vector of polylines.
  *
  * This type has full support for Z/M dimensions.
  *
- * \since QGIS 4.0
+ * \since QGIS 3.44
  */
 #ifndef SIP_RUN
 typedef QVector<QgsPolyline> QgsMultiPolyline;