diff --git a/ketcher-autotests/tests/Macromolecule-editor/Import-Saving-Files/import-saving-helm.spec.ts-snapshots/Import-incorrect-HELM-sequence-40-Probability-is-greater-than-100-PEPTIDE-1-chromium-linux.png b/ketcher-autotests/tests/Macromolecule-editor/Import-Saving-Files/import-saving-helm.spec.ts-snapshots/Import-incorrect-HELM-sequence-40-Probability-is-greater-than-100-PEPTIDE-1-chromium-linux.png
index 55188c8153..db8bfd33b2 100644
Binary files a/ketcher-autotests/tests/Macromolecule-editor/Import-Saving-Files/import-saving-helm.spec.ts-snapshots/Import-incorrect-HELM-sequence-40-Probability-is-greater-than-100-PEPTIDE-1-chromium-linux.png and b/ketcher-autotests/tests/Macromolecule-editor/Import-Saving-Files/import-saving-helm.spec.ts-snapshots/Import-incorrect-HELM-sequence-40-Probability-is-greater-than-100-PEPTIDE-1-chromium-linux.png differ
diff --git a/packages/ketcher-core/src/application/render/renderers/AmbiguousMonomerRenderer.ts b/packages/ketcher-core/src/application/render/renderers/AmbiguousMonomerRenderer.ts
index ac24161941..57b8ab48f2 100644
--- a/packages/ketcher-core/src/application/render/renderers/AmbiguousMonomerRenderer.ts
+++ b/packages/ketcher-core/src/application/render/renderers/AmbiguousMonomerRenderer.ts
@@ -8,8 +8,7 @@ import { AttachmentPointName } from 'domain/types';
 import { PreviewAttachmentPoint } from 'domain/PreviewAttachmentPoint';
 import { UsageInMacromolecule } from 'application/render';
 import { D3SvgElementSelection } from 'application/render/types';
-
-const NUMBER_OF_MONOMERS_CIRCLE_Y_OFFSET = 7;
+import { KetMonomerClass } from 'application/formatters';
 
 type PreviewAttachmentPointParams = {
   canvas: D3SvgElementSelection<SVGSVGElement, void>;
@@ -86,7 +85,7 @@ export class AmbiguousMonomerRenderer extends BaseMonomerRenderer {
         }, ${
           this.center.y -
           this.scaledMonomerPosition.y +
-          NUMBER_OF_MONOMERS_CIRCLE_Y_OFFSET
+          (this.monomer.monomerClass === KetMonomerClass.Base ? 7 : 8)
         })`,
       )
       .attr('pointer-events', 'none');