diff --git a/crates/biome_js_analyze/src/lint/complexity/use_optional_chain.rs b/crates/biome_js_analyze/src/lint/complexity/use_optional_chain.rs
index 20f5134fc358..41e2a6d1f215 100644
--- a/crates/biome_js_analyze/src/lint/complexity/use_optional_chain.rs
+++ b/crates/biome_js_analyze/src/lint/complexity/use_optional_chain.rs
@@ -632,6 +632,9 @@ impl LogicalAndChain {
     /// `LogicalAndChainOrdering` by comparing their `token_text_trimmed` for
     /// every `JsAnyExpression` node.
     fn cmp_chain(&self, other: &Self) -> SyntaxResult<LogicalAndChainOrdering> {
+        if other.buf.is_empty() {
+            return Ok(LogicalAndChainOrdering::Different);
+        }
         let chain_ordering = match self.buf.len().cmp(&other.buf.len()) {
             Ordering::Less => return Ok(LogicalAndChainOrdering::Different),
             Ordering::Equal => LogicalAndChainOrdering::Equal,
diff --git a/crates/biome_js_analyze/tests/specs/complexity/useOptionalChain/validLogicalAndUnrelatedOperands.js b/crates/biome_js_analyze/tests/specs/complexity/useOptionalChain/validLogicalAndUnrelatedOperands.js
new file mode 100644
index 000000000000..9c317c6ef168
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/complexity/useOptionalChain/validLogicalAndUnrelatedOperands.js
@@ -0,0 +1,13 @@
+/* should not generate diagnostics */
+
+// Unrelated identifiers with negation prefix (#9428)
+hasMore && !isLoading && inView;
+a && !b && c;
+foo && !bar && baz.qux;
+
+// Unrelated identifiers without member access
+a && b && c;
+
+// Negation at different positions
+!a && b && c;
+a && b && !c;
diff --git a/crates/biome_js_analyze/tests/specs/complexity/useOptionalChain/validLogicalAndUnrelatedOperands.js.snap b/crates/biome_js_analyze/tests/specs/complexity/useOptionalChain/validLogicalAndUnrelatedOperands.js.snap
new file mode 100644
index 000000000000..c580b4e137d1
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/complexity/useOptionalChain/validLogicalAndUnrelatedOperands.js.snap
@@ -0,0 +1,21 @@
+---
+source: crates/biome_js_analyze/tests/spec_tests.rs
+expression: validLogicalAndUnrelatedOperands.js
+---
+# Input
+```js
+/* should not generate diagnostics */
+
+// Unrelated identifiers with negation prefix (#9428)
+hasMore && !isLoading && inView;
+a && !b && c;
+foo && !bar && baz.qux;
+
+// Unrelated identifiers without member access
+a && b && c;
+
+// Negation at different positions
+!a && b && c;
+a && b && !c;
+
+```