diff --git a/tools/export/uvision/__init__.py b/tools/export/uvision/__init__.py
index 1a6eba9d50..27e12f4aee 100644
--- a/tools/export/uvision/__init__.py
+++ b/tools/export/uvision/__init__.py
@@ -182,7 +182,7 @@ class Uvision(Exporter):
         """Make sources into the named tuple for use in the template"""
         grouped = self.group_project_files(srcs)
         for group, files in sorted(grouped.items()):
-            grouped[group] = self.uv_files(files)
+            grouped[group] = sorted(list(self.uv_files(files)))
         return grouped
 
     def generate(self):