diff --git a/README.md b/README.md
index 3febf282..2257266c 100644
--- a/README.md
+++ b/README.md
@@ -134,6 +134,8 @@ Changelog
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Unreleased 
+## Fixed
+- Boundary labeling fix
 
 ### [3.3.0] - 2020-12-21
 ## Fixed
diff --git a/utilities/extract_boundary.m b/utilities/extract_boundary.m
index 0b73441a..00820c03 100644
--- a/utilities/extract_boundary.m
+++ b/utilities/extract_boundary.m
@@ -65,6 +65,12 @@
     
     temp  = pts(bnde(r,:)',:);
     temp2 = bnde(r,:)';
+    if v_next ~= temp2(2)
+      % swap 
+      temp = flipud(temp); 
+      temp2 = flipud(temp2); 
+    end
+    
     k = 2;
     while v_next~=v_end % terminates when we reach v_end
         rt= (v_next==bnde(:,1) | v_next==bnde(:,2)) &  active;
@@ -83,6 +89,9 @@
         % exhausted all edges and couldn't connect
         if(~any(active)), cut=false; disp('coudln''t conntect'); break, end
     end
+    if length(temp) == 2
+        cut = false;
+    end
     poly{p}     = temp;
     poly_idx{p} = temp2;
     [area] = parea(poly{p}(:,1),poly{p}(:,2));