diff --git a/build.py b/build.py
index b4b51c942fcfa84460e400996cb4be939e1346a7..99963fbc61692f465ff3786fd209999f77fb4ac9 100644
--- a/build.py
+++ b/build.py
@@ -133,7 +133,8 @@ if __name__ == "__main__":
             content = content.replace("questions.html", lang + "/questions.html")
             content = content.replace("strings.js", lang + "/strings.js")
             content = content.replace("./logo_g.png", lang + "/logo_g.png")
-            shutil.copy(source_lang_dir + "/example_vignette.png", build_lang_dir )
+            if os.path.isfile(source_lang_dir + "/example_vignette.png"):
+                shutil.copy(source_lang_dir + "/example_vignette.png", build_lang_dir )
             # overwrite file
             with open(target, "w") as f:
                 f.write(content)