diff --git a/src/files.rs b/src/files.rs
index 11ad898..50d5c93 100644
--- a/src/files.rs
+++ b/src/files.rs
@@ -568,7 +568,14 @@ pub async fn list_photos<TagD: TagDao, FS: FileSystemAccess>(
                                             path.display()
                                         )
                                     });
-                                let relative_str = relative.to_str().unwrap().to_string();
+                                // Normalize separators to '/' so downstream
+                                // lookups (tags, EXIF, insights) that store
+                                // rel_paths with forward slashes still match
+                                // on Windows.
+                                let relative_str = relative
+                                    .to_str()
+                                    .unwrap()
+                                    .replace('\\', "/");
 
                                 if md.is_file() {
                                     files.push(relative_str);
@@ -589,7 +596,7 @@ pub async fn list_photos<TagD: TagDao, FS: FileSystemAccess>(
                                                 path.display()
                                             )
                                         });
-                                    files.push(relative.to_str().unwrap().to_string());
+                                    files.push(relative.to_str().unwrap().replace('\\', "/"));
                                 }
                             }
                         }