diff --git a/adapters/common/__tests__/format.test.ts b/adapters/common/__tests__/format.test.ts
index 9ba63416..128f7e4e 100644
--- a/adapters/common/__tests__/format.test.ts
+++ b/adapters/common/__tests__/format.test.ts
@@ -118,8 +118,14 @@ describe('formatToolUse', () => {
 
     expect(result).toBe('🔧 Read  …/project/src/index.ts')
   })
+
+  it('shortens Windows paths in file tool summaries', () => {
+    const result = formatToolUse('Read', { file_path: 'C:\\Users\\test\\project\\src\\index.ts' })
+    expect(result).toBe('🔧 Read  …/project/src/index.ts')
+  })
 })
 
+
 describe('formatPermissionRequest', () => {
   it('includes tool name, input preview, and request ID', () => {
     const result = formatPermissionRequest('Bash', { command: 'rm -rf /' }, 'abcde')
diff --git a/adapters/common/format.ts b/adapters/common/format.ts
index d011d67a..e3e1efd7 100644
--- a/adapters/common/format.ts
+++ b/adapters/common/format.ts
@@ -223,7 +223,7 @@ function formatToolSummary(tool: string, inp: Record<string, unknown>): string |
 }
 
 function shortPath(fp: string): string {
-  const parts = fp.split('/')
+  const parts = fp.replaceAll('\\', '/').split('/')
   return parts.length > 3 ? '…/' + parts.slice(-3).join('/') : fp
 }