diff --git a/src/blenderbim/blenderbim/bim/module/geometry/helper.py b/src/blenderbim/blenderbim/bim/module/geometry/helper.py
index 435d008820..d3e9c3b708 100644
--- a/src/blenderbim/blenderbim/bim/module/geometry/helper.py
+++ b/src/blenderbim/blenderbim/bim/module/geometry/helper.py
@@ -38,6 +38,7 @@ class Helper:
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)
 
         bm.faces.ensure_lookup_table()
         face = None
@@ -61,6 +62,7 @@ class Helper:
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)
 
         bm.faces.ensure_lookup_table()
         potential_faces = []
@@ -88,6 +90,7 @@ class Helper:
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)
 
         bm.faces.ensure_lookup_table()
         potential_faces = []
@@ -289,6 +292,7 @@ class Helper:
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)
 
         bm.faces.ensure_lookup_table()
         potential_faces = []
@@ -385,6 +389,7 @@ class Helper:
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
+        bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.001)
 
         bm.faces.ensure_lookup_table()
         faces = bm.faces