diff --git a/src/tui.zig b/src/tui.zig
index be29a33..786f794 100644
--- a/src/tui.zig
+++ b/src/tui.zig
@@ -1434,7 +1434,9 @@ pub const Client = struct {
     }
 
     fn formatCurrentBuffer(self: *Client) !void {
+        const before = self.document_version;
         try self.applyLanguageMutation(.format, null);
+        if (self.document_version != before) self.skip_next_save_format = true;
     }
 
     fn organizeImports(self: *Client) !void {
diff --git a/tools/terminal_e2e.py b/tools/terminal_e2e.py
index 7552069..5c23f42 100755
--- a/tools/terminal_e2e.py
+++ b/tools/terminal_e2e.py
@@ -492,7 +492,7 @@ SCENARIOS = [
     Scenario("percent-match-jump", 56, 12, "brackets", "attached-keyboard", "match-jump", "truecolor", "file", setup_brackets, (b"%", b"i", b"X", b"\x1b", b" ", b"w", b" ", b"q"), "(abX)", ("1│", "☻")),
     Scenario("select-mode-colors", 56, 12, "short", "attached-keyboard", "select", "truecolor", "file", setup_short, (b"s", b"w", b"n", b" ", b"q"), "abcdef\n", ("attr:selection", "░", "mode:normal")),
     Scenario("multi-file-coding-loop", 72, 16, "repo-multifile", "attached-keyboard", "multi-file", "truecolor", "file", setup_multifile, (b"A", b"?", b"\x1b", b" ", b"w", b" ", b"o", b"r", b"e", b"p", b"o", b"/", b"a", b"l", b"p", b"h", b"a", b".", b"z", b"i", b"g", b"\r", b"A", b"!", b"\x1b", b" ", b"w", b" ", b"q"), None, ("alpha.zig", "beta", "☻", "mode:normal"), max_key_events=30, expect_files=(("alpha.zig", "alpha!\n"), ("beta.zig", "beta?"))),
-    Scenario("lsp-assisted-coding", 60, 12, "lsp-fixture", "attached-keyboard", "lsp", "truecolor", "file", setup_lsp_assist, (b" ", b"l", b"h", b" ", b"l", b"s", b" ", b"d", b"q", b" ", b"d", b"n", b" ", b"l", b"f", b" ", b"Q"), "abc\n", ("[zls] add(lhs, rhs)", "[zls] add(lhs: i32, rhs: i32) active=rhs", "diag:fresh:zls", "format:zls:applied", "ZLS", "mode:normal"), max_key_events=17, prelude=LSP_ASSIST_PRELUDE),
+    Scenario("lsp-assisted-coding", 60, 12, "lsp-fixture", "attached-keyboard", "lsp", "truecolor", "file", setup_lsp_assist, (b" ", b"l", b"h", b" ", b"l", b"s", b" ", b"d", b"q", b" ", b"d", b"n", b" ", b"l", b"f", b" ", b"w", b" ", b"q"), "ZLS", ("[zls] add(lhs, rhs)", "[zls] add(lhs: i32, rhs: i32) active=rhs", "diag:fresh:zls", "format:zls:applied", "ZLS", "mode:normal"), max_key_events=19, prelude=LSP_ASSIST_PRELUDE),
     Scenario("dirty-discard-shift-q", 52, 12, "empty", "ios-default-qwertz-space-path", "dirty-discard", "truecolor", "file", setup_empty, tuple(bytes([b]) for b in b" ps Q"), "", ("1│", "☻")),
     Scenario("directory-panel-narrow", 52, 12, "directory", "ios-default-qwertz-space-path", "panel", "mono", "directory", setup_directory, PANEL_QUIT, None, ("file", "one.zig"), required_attrs=()),
 ]