diff --git a/scripts/modules/bpy_extras/io_utils.py b/scripts/modules/bpy_extras/io_utils.py
index dddc868d6cb..341200a4a51 100644
--- a/scripts/modules/bpy_extras/io_utils.py
+++ b/scripts/modules/bpy_extras/io_utils.py
@@ -64,7 +64,7 @@ class ExportHelper:
         if not self.filepath:
             blend_filepath = context.blend_data.filepath
             if not blend_filepath:
-                blend_filepath = data_("untitled")
+                blend_filepath = data_("Untitled")
             else:
                 blend_filepath = os.path.splitext(blend_filepath)[0]
 
diff --git a/source/blender/blenkernel/intern/file_handler.cc b/source/blender/blenkernel/intern/file_handler.cc
index c21d5499ba5..c9026e70c4e 100644
--- a/source/blender/blenkernel/intern/file_handler.cc
+++ b/source/blender/blenkernel/intern/file_handler.cc
@@ -9,6 +9,8 @@
 #include "BLI_path_utils.hh"
 #include "BLI_string.h"
 
+#include "BLT_translation.hh"
+
 namespace blender::bke {
 
 static Vector<std::unique_ptr<FileHandlerType>> &file_handlers_vector()
@@ -130,7 +132,7 @@ std::string FileHandlerType::get_default_filename(const StringRefNull name)
                          std::all_of(name.begin(), name.end(), [](char c) { return c == ' '; });
 
   char filename[FILE_MAXFILE];
-  STRNCPY(filename, all_blank ? "untitled" : name.c_str());
+  STRNCPY(filename, all_blank ? DATA_("Untitled") : name.c_str());
   BLI_path_extension_ensure(filename,
                             sizeof(filename),
                             file_extensions.is_empty() ? "" : file_extensions.first().c_str());
diff --git a/source/blender/blenkernel/intern/image_save.cc b/source/blender/blenkernel/intern/image_save.cc
index 5a5947c345d..87d113ea1c3 100644
--- a/source/blender/blenkernel/intern/image_save.cc
+++ b/source/blender/blenkernel/intern/image_save.cc
@@ -173,7 +173,7 @@ bool BKE_image_save_options_init(ImageSaveOptions *opts,
           STRNCPY(opts->filepath, G.filepath_last_image);
         }
         else {
-          BLI_path_join(opts->filepath, sizeof(opts->filepath), "//", DATA_("untitled"));
+          BLI_path_join(opts->filepath, sizeof(opts->filepath), "//", DATA_("Untitled"));
           BLI_path_abs(opts->filepath, BKE_main_blendfile_path(bmain));
         }
       }
diff --git a/source/blender/editors/space_file/filesel.cc b/source/blender/editors/space_file/filesel.cc
index 734a2ab91f6..a054d84e86f 100644
--- a/source/blender/editors/space_file/filesel.cc
+++ b/source/blender/editors/space_file/filesel.cc
@@ -1471,7 +1471,7 @@ void ED_fileselect_ensure_default_filepath(bContext *C, wmOperator *op, const ch
     const char *blendfile_path = BKE_main_blendfile_path(bmain);
 
     if (blendfile_path[0] == '\0') {
-      STRNCPY(filepath, DATA_("untitled"));
+      STRNCPY(filepath, DATA_("Untitled"));
     }
     else {
       STRNCPY(filepath, blendfile_path);
diff --git a/source/blender/windowmanager/intern/wm_files.cc b/source/blender/windowmanager/intern/wm_files.cc
index 942bcca74d1..87ad824fdf7 100644
--- a/source/blender/windowmanager/intern/wm_files.cc
+++ b/source/blender/windowmanager/intern/wm_files.cc
@@ -3558,7 +3558,7 @@ static void wm_filepath_default(const Main *bmain, char *filepath)
 {
   if (bmain->filepath[0] == '\0') {
     char filename_untitled[FILE_MAXFILE];
-    SNPRINTF(filename_untitled, "%s.blend", DATA_("untitled"));
+    SNPRINTF(filename_untitled, "%s.blend", DATA_("Untitled"));
     BLI_path_filename_ensure(filepath, FILE_MAX, filename_untitled);
   }
 }
@@ -4402,7 +4402,7 @@ static uiBlock *block_create_save_file_overwrite_dialog(bContext *C, ARegion *re
     BLI_path_split_file_part(blendfile_path, filename, sizeof(filename));
   }
   else {
-    SNPRINTF(filename, "%s.blend", DATA_("untitled"));
+    SNPRINTF(filename, "%s.blend", DATA_("Untitled"));
     /* Since this dialog should only be shown when re-saving an existing file, current filepath
      * should never be empty. */
     BLI_assert_unreachable();
@@ -4621,7 +4621,7 @@ static uiBlock *block_create__close_file_dialog(bContext *C, ARegion *region, vo
     BLI_path_split_file_part(blendfile_path, filename, sizeof(filename));
   }
   else {
-    SNPRINTF(filename, "%s.blend", DATA_("untitled"));
+    SNPRINTF(filename, "%s.blend", DATA_("Untitled"));
   }
   uiItemL(layout, filename, ICON_NONE);