diff --git a/src/bun.js/test/expect.zig b/src/bun.js/test/expect.zig
index 452ec50811..a7239aefcc 100644
--- a/src/bun.js/test/expect.zig
+++ b/src/bun.js/test/expect.zig
@@ -2765,7 +2765,7 @@ pub const Expect = struct {
             }
         }
         const end_indent = if (std.mem.lastIndexOfScalar(u8, str_in, '\n')) |c| c + 1 else return give_up_2; // there has to have been at least a single newline to get here
-        for (str_in[end_indent..]) |c| if (c != ' ' and c != 't') return give_up_2; // we already checked, but the last line is not all whitespace again
+        for (str_in[end_indent..]) |c| if (c != ' ' and c != '\t') return give_up_2; // we already checked, but the last line is not all whitespace again
 
         // done
         return .{ .trimmed = trimmed_buf[0 .. trimmed_buf.len - dst.len], .start_indent = indent_str, .end_indent = str_in[end_indent..] };
diff --git a/test/js/bun/test/snapshot-tests/snapshots/snapshot.test.ts b/test/js/bun/test/snapshot-tests/snapshots/snapshot.test.ts
index d6bda70b82..debc737ef4 100644
--- a/test/js/bun/test/snapshot-tests/snapshots/snapshot.test.ts
+++ b/test/js/bun/test/snapshot-tests/snapshots/snapshot.test.ts
@@ -847,6 +847,21 @@ indentation"
       `,
     );
   });
+  it("#16403", () => {
+    tester.test(v =>
+      v(
+        '\tit(\'should get range of notes\', () => {\n\t\tconst range = ["C2", "B2"];\n\n\t\texpect(range).toMatchInlineSnapshot();\n\t});\n',
+        '\tit(\'should get range of notes\', () => {\n\t\tconst range = ["C2", "B2"];\n\n\t\texpect(range).toMatchInlineSnapshot(`\n\t\t  [\n\t\t    "ab",\n\t\t    "cd",\n\t\t  ]\n\t\t`);\n\t});\n',
+        '\tit(\'should get range of notes\', () => {\n\t\tconst range = ["C2", "B2"];\n\n\t\texpect(range).toMatchInlineSnapshot(`\n\t\t  [\n\t\t    "C2",\n\t\t    "B2",\n\t\t  ]\n\t\t`);\n\t});\n',
+      ),
+    );
+    tester.testUpdateOnly(v =>
+      v(
+        '\tit(\'should get range of notes\', () => {\n\t\tconst range = ["C2", "B2"];\n\n\t\texpect(range).toMatchInlineSnapshot(`\n\t\t\t[\n\t\t\t  "ab",\n\t\t\t  "cd",\n\t\t\t]\n\t\t`);\n\t});\n',
+        '\tit(\'should get range of notes\', () => {\n\t\tconst range = ["C2", "B2"];\n\n\t\texpect(range).toMatchInlineSnapshot(`\n\t\t\t[\n\t\t\t  "C2",\n\t\t\t  "B2",\n\t\t\t]\n\t\t`);\n\t});\n',
+      ),
+    );
+  });
 });
 test("indented inline snapshots", () => {
   expect("a\nb").toMatchInlineSnapshot(`