diff --git a/src/Clustering/Algo/GMUClusterAlgorithm.h b/src/Clustering/Algo/GMUClusterAlgorithm.h
index e6637f52..445e3454 100644
--- a/src/Clustering/Algo/GMUClusterAlgorithm.h
+++ b/src/Clustering/Algo/GMUClusterAlgorithm.h
@@ -27,6 +27,11 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)addItems:(NSArray<id<GMUClusterItem>> *)items;
 
+/**
+ * Set the distance for marker clustering for the NonHierarchicalDistanceBasedAlgorithm.
+ */
+- (void) setClusterDistancePoints:(NSUInteger)newValue;
+
 /**
  * Removes an item.
  */
diff --git a/src/Clustering/Algo/GMUNonHierarchicalDistanceBasedAlgorithm.m b/src/Clustering/Algo/GMUNonHierarchicalDistanceBasedAlgorithm.m
index c227fea3..32a61e15 100644
--- a/src/Clustering/Algo/GMUNonHierarchicalDistanceBasedAlgorithm.m
+++ b/src/Clustering/Algo/GMUNonHierarchicalDistanceBasedAlgorithm.m
@@ -97,6 +97,10 @@ - (instancetype)initWithClusterDistancePoints:(NSUInteger)clusterDistancePoints
     return self;
 }
 
+- (void)setClusterDistancePoints:(NSUInteger)newValue {
+    _clusterDistancePoints = newValue;
+}
+
 - (void)addItems:(NSArray<id<GMUClusterItem>> *)items {
   [_items addObjectsFromArray:items];
   for (id<GMUClusterItem> item in items) {