diff --git a/modules/aruco/include/opencv2/aruco/aruco_calib.hpp b/modules/aruco/include/opencv2/aruco/aruco_calib.hpp
index 2fe2587cf53..2fd344daf7a 100644
--- a/modules/aruco/include/opencv2/aruco/aruco_calib.hpp
+++ b/modules/aruco/include/opencv2/aruco/aruco_calib.hpp
@@ -53,7 +53,7 @@ enum PatternPositionType {
  * @sa PatternPositionType, solvePnP()
  */
 struct CV_EXPORTS_W_SIMPLE EstimateParameters {
-    CV_PROP_RW PatternPositionType pattern;
+    CV_PROP_RW aruco::PatternPositionType pattern;
     CV_PROP_RW bool useExtrinsicGuess;
     CV_PROP_RW int solvePnPMethod;