diff --git a/src/etc/snapshot.py b/src/etc/snapshot.py
index 123987d4b1e..3eda5a97eb6 100644
--- a/src/etc/snapshot.py
+++ b/src/etc/snapshot.py
@@ -26,29 +26,29 @@ download_unpack_base = os.path.join(download_dir_base, "unpack")
 
 snapshot_files = {
     "linux": ["bin/rustc",
-              "lib/libcore-*.so",
               "lib/libstd-*.so",
+              "lib/libextra-*.so",
               "lib/librustc-*.so",
               "lib/libsyntax-*.so",
               "lib/librustrt.so",
               "lib/librustllvm.so"],
     "macos": ["bin/rustc",
-              "lib/libcore-*.dylib",
               "lib/libstd-*.dylib",
+              "lib/libcore-*.dylib",
               "lib/librustc-*.dylib",
               "lib/libsyntax-*.dylib",
               "lib/librustrt.dylib",
               "lib/librustllvm.dylib"],
     "winnt": ["bin/rustc.exe",
-              "bin/core-*.dll",
               "bin/std-*.dll",
+              "bin/extra-*.dll",
               "bin/rustc-*.dll",
               "bin/syntax-*.dll",
               "bin/rustrt.dll",
               "bin/rustllvm.dll"],
     "freebsd": ["bin/rustc",
-                "lib/libcore-*.so",
                 "lib/libstd-*.so",
+                "lib/libextra-*.so",
                 "lib/librustc-*.so",
                 "lib/libsyntax-*.so",
                 "lib/librustrt.so",