diff --git a/packages/ketcher-core/src/application/editor/actions/paste.ts b/packages/ketcher-core/src/application/editor/actions/paste.ts
index 1d55ef4731..aa3b01dacb 100644
--- a/packages/ketcher-core/src/application/editor/actions/paste.ts
+++ b/packages/ketcher-core/src/application/editor/actions/paste.ts
@@ -23,7 +23,8 @@ import {
   RxnArrowAdd,
   RxnPlusAdd,
   SimpleObjectAdd,
-  TextCreate
+  TextCreate,
+  CalcImplicitH
 } from '../operations'
 import { fromRGroupAttrs, fromUpdateIfThen } from './rgroup'
 
@@ -89,6 +90,10 @@ export function fromPaste(restruct, pstruct, point, angle = 0) {
     pasteItems.bonds.push(operation.data.bid)
   })
 
+  pasteItems.atoms.forEach((aid) => {
+    action.addOp(new CalcImplicitH([aid]).perform(restruct))
+  })
+
   pstruct.sgroups.forEach((sg) => {
     const newsgid = restruct.molecule.sgroups.newId()
     const sgAtoms = sg.atoms.map((aid) => aidMap.get(aid))