diff --git a/codex-rs/tui/src/chatwidget/tests.rs b/codex-rs/tui/src/chatwidget/tests.rs
index 192ab3c6ae..bd65cd6df6 100644
--- a/codex-rs/tui/src/chatwidget/tests.rs
+++ b/codex-rs/tui/src/chatwidget/tests.rs
@@ -695,7 +695,7 @@ fn apply_patch_request_shows_diff_summary() {
 
     // Per-file summary line should include the file path and counts
     assert!(
-        blob.contains("README.md (+2 -0)"),
+        blob.contains("README.md"),
         "missing per-file diff summary: {blob:?}"
     );
 }
diff --git a/codex-rs/tui/src/diff_render.rs b/codex-rs/tui/src/diff_render.rs
index 24efefef46..aaa7617d91 100644
--- a/codex-rs/tui/src/diff_render.rs
+++ b/codex-rs/tui/src/diff_render.rs
@@ -130,17 +130,20 @@ pub(crate) fn create_diff_summary(
     for (idx, f) in files.iter().enumerate() {
         let mut spans: Vec<RtSpan<'static>> = Vec::new();
         spans.push(RtSpan::raw(f.display_path.clone()));
-        spans.push(RtSpan::raw(" ("));
-        spans.push(RtSpan::styled(
-            format!("+{}", f.added),
-            Style::default().fg(Color::Green),
-        ));
-        spans.push(RtSpan::raw(" "));
-        spans.push(RtSpan::styled(
-            format!("-{}", f.removed),
-            Style::default().fg(Color::Red),
-        ));
-        spans.push(RtSpan::raw(")"));
+        // Show per-file +/- counts only when there are multiple files
+        if file_count > 1 {
+            spans.push(RtSpan::raw(" ("));
+            spans.push(RtSpan::styled(
+                format!("+{}", f.added),
+                Style::default().fg(Color::Green),
+            ));
+            spans.push(RtSpan::raw(" "));
+            spans.push(RtSpan::styled(
+                format!("-{}", f.removed),
+                Style::default().fg(Color::Red),
+            ));
+            spans.push(RtSpan::raw(")"));
+        }
 
         let mut line = RtLine::from(spans);
         let prefix = if idx == 0 { "  └ " } else { "    " };
diff --git a/codex-rs/tui/src/snapshots/codex_tui__diff_render__tests__add_details.snap b/codex-rs/tui/src/snapshots/codex_tui__diff_render__tests__add_details.snap
index f86d2fb93a..143113fb68 100644
--- a/codex-rs/tui/src/snapshots/codex_tui__diff_render__tests__add_details.snap
+++ b/codex-rs/tui/src/snapshots/codex_tui__diff_render__tests__add_details.snap
@@ -3,7 +3,7 @@ source: tui/src/diff_render.rs
 expression: terminal.backend()
 ---
 "proposed patch to 1 file (+2 -0)                                                "
-"  └ README.md (+2 -0)                                                           "
+"  └ README.md                                                                   "
 "    1     +first line                                                           "
 "    2     +second line                                                          "
 "                                                                                "
diff --git a/codex-rs/tui/src/snapshots/codex_tui__diff_render__tests__update_details_with_rename.snap b/codex-rs/tui/src/snapshots/codex_tui__diff_render__tests__update_details_with_rename.snap
index 76151409ef..9a73c0c32b 100644
--- a/codex-rs/tui/src/snapshots/codex_tui__diff_render__tests__update_details_with_rename.snap
+++ b/codex-rs/tui/src/snapshots/codex_tui__diff_render__tests__update_details_with_rename.snap
@@ -4,7 +4,7 @@ assertion_line: 380
 expression: terminal.backend()
 ---
 "proposed patch to 1 file (+1 -1)                                                "
-"  └ src/lib.rs → src/lib_new.rs (+1 -1)                                         "
+"  └ src/lib.rs → src/lib_new.rs                                                 "
 "    1      line one                                                             "
 "    2     -line two                                                             "
 "    2     +line two changed                                                     "