diff --git a/assets/src/components/Copy.jsx b/assets/src/components/Copy.jsx
index 30e1539..eb59429 100644
--- a/assets/src/components/Copy.jsx
+++ b/assets/src/components/Copy.jsx
@@ -46,7 +46,7 @@ export default compose(
 				getSelectedBlock
 			} = this.props,
 			getMultiSelectedBlocks = select( 'core/block-editor' ).getMultiSelectedBlocks(),
-			numBlocks = size( getMultiSelectedBlocks ) + 1;
+			numBlocks = size( getMultiSelectedBlocks );
 
 			if ( ! getSelectedBlock && size( getMultiSelectedBlocks ) < 1 ) return false;
 
@@ -64,7 +64,7 @@ export default compose(
 							>
 								{ 
 									/* translators: %s: number of blocks selected. */
-									sprintf( _n( 'Copy Block', 'Copy %s Blocks', numBlocks, 'block-copy' ), numBlocks ) 
+									sprintf( _n( 'Copy Block', 'Copy %s Blocks', numBlocks + 1, 'block-copy' ), numBlocks ) 
 								}
 							</ClipboardButton>
 						}
diff --git a/assets/src/utils/withDispatch.js b/assets/src/utils/withDispatch.js
index fb7c745..986e3c5 100644
--- a/assets/src/utils/withDispatch.js
+++ b/assets/src/utils/withDispatch.js
@@ -21,7 +21,7 @@ const applyWithDispatch = withDispatch( dispatch => {
 			const selectedBlocks = select( 'core/block-editor' ).getMultiSelectedBlocks(),
 			numBlocks = size( selectedBlocks ),
 			/* translators: %s: number of blocks selected. */
-			notice = sprintf( _n( 'A single block copied.', '%s blocks copied.', numBlocks, 'block-copy' ), numBlocks );
+			notice = sprintf( _n( 'A single block copied.', '%s blocks copied.', numBlocks + 1, 'block-copy' ), numBlocks );
 
 			createNotice(
 				'info',