diff --git a/src/shared/components/BlockEditor/Block.client.js b/src/shared/components/BlockEditor/Block.client.js
index 7e990e1..1e4e6d4 100644
--- a/src/shared/components/BlockEditor/Block.client.js
+++ b/src/shared/components/BlockEditor/Block.client.js
@@ -158,17 +158,21 @@ const Block = forwardRef(function Block(
         e.preventDefault();
         const sel = window.getSelection();
         const txt = el.textContent ?? '';
-        const fullySelected =
-          !!sel && sel.rangeCount > 0 && !sel.isCollapsed &&
-          el.contains(sel.anchorNode) && el.contains(sel.focusNode) &&
-          sel.toString() === txt && txt.length > 0;
-        if (fullySelected) {
+        if (txt.length === 0) {
           onSelectAllBlocks?.();
         } else {
-          const range = document.createRange();
-          range.selectNodeContents(el);
-          sel?.removeAllRanges();
-          sel?.addRange(range);
+          const fullySelected =
+            !!sel && sel.rangeCount > 0 && !sel.isCollapsed &&
+            el.contains(sel.anchorNode) && el.contains(sel.focusNode) &&
+            sel.toString() === txt;
+          if (fullySelected) {
+            onSelectAllBlocks?.();
+          } else {
+            const range = document.createRange();
+            range.selectNodeContents(el);
+            sel?.removeAllRanges();
+            sel?.addRange(range);
+          }
         }
       }
       return;