diff --git a/DESCRIPTION b/DESCRIPTION
index 3524cbe..b312609 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: mully
 Type: Package
 Title: Create, Modify and Visualize Multi-Layered Networks
-Version: 2.1.31
+Version: 2.1.32
 Author: Zaynab Hammoud
 Maintainer: Zaynab Hammoud <zaynabhassanhammoud@gmail.com>
 Description: Allows the user to create graph with multiple layers. The user can also modify the layers, the nodes, and the edges. The graph can also be visualized.
diff --git a/R/mully_visualization.R b/R/mully_visualization.R
index 8497e72..4eab129 100644
--- a/R/mully_visualization.R
+++ b/R/mully_visualization.R
@@ -248,6 +248,7 @@ plot3d <- function(g, layers = TRUE,
       layout1 = layout[order(V(g)$n), ]
     }
     clrs = unique(V(g)$color[order(V(g)$n)])
+    clrs=clrs[-which(clrs%in%assignedColors)]
     temp = 1
     iColr=1
     for (i in 1:dim(g$layers)[1]) {