diff --git a/source/blender/editors/mesh/mesh_data.c b/source/blender/editors/mesh/mesh_data.c
index 0f58752f323..7a089d7101e 100644
--- a/source/blender/editors/mesh/mesh_data.c
+++ b/source/blender/editors/mesh/mesh_data.c
@@ -37,6 +37,7 @@
 #include "BKE_customdata.h"
 #include "BKE_editmesh.h"
 #include "BKE_mesh.h"
+#include "BKE_mesh_runtime.h"
 #include "BKE_report.h"
 
 #include "DEG_depsgraph.h"
@@ -1126,6 +1127,8 @@ static void mesh_add_verts(Mesh *mesh, int len)
   mesh->vdata = vdata;
   BKE_mesh_update_customdata_pointers(mesh, false);
 
+  BKE_mesh_runtime_clear_cache(mesh);
+
   /* scan the input list and insert the new vertices */
 
   /* set default flags */
@@ -1162,6 +1165,8 @@ static void mesh_add_edges(Mesh *mesh, int len)
   mesh->edata = edata;
   BKE_mesh_update_customdata_pointers(mesh, false); /* new edges don't change tessellation */
 
+  BKE_mesh_runtime_clear_cache(mesh);
+
   /* set default flags */
   medge = &mesh->medge[mesh->totedge];
   for (i = 0; i < len; i++, medge++) {
@@ -1190,6 +1195,8 @@ static void mesh_add_loops(Mesh *mesh, int len)
     CustomData_add_layer(&ldata, CD_MLOOP, CD_CALLOC, NULL, totloop);
   }
 
+  BKE_mesh_runtime_clear_cache(mesh);
+
   CustomData_free(&mesh->ldata, mesh->totloop);
   mesh->ldata = ldata;
   BKE_mesh_update_customdata_pointers(mesh, true);
@@ -1221,6 +1228,8 @@ static void mesh_add_polys(Mesh *mesh, int len)
   mesh->pdata = pdata;
   BKE_mesh_update_customdata_pointers(mesh, true);
 
+  BKE_mesh_runtime_clear_cache(mesh);
+
   /* set default flags */
   mpoly = &mesh->mpoly[mesh->totpoly];
   for (i = 0; i < len; i++, mpoly++) {