diff --git a/mozilla/build/mac/NGLayoutBuildList.pm b/mozilla/build/mac/NGLayoutBuildList.pm
index 047f74b7d6d..c1e6c8dc7ff 100644
--- a/mozilla/build/mac/NGLayoutBuildList.pm
+++ b/mozilla/build/mac/NGLayoutBuildList.pm
@@ -2043,7 +2043,7 @@ sub BuildLayoutProjects()
     BuildOneProject(":mozilla:layout:macbuild:layout.mcp",                      "layout$D.shlb", 1, $main::ALIAS_SYM_FILES, 1);
     BuildOneProject(":mozilla:view:macbuild:view.mcp",                          "view$D.shlb", 1, $main::ALIAS_SYM_FILES, 1);
     BuildOneProject(":mozilla:widget:macbuild:widget.mcp",                      "widget$D.shlb", 1, $main::ALIAS_SYM_FILES, 0);
-    BuildOneProject(":mozilla:webshell:macbuild:webshell.mcp",                  "webshell$D.shlb", 1, $main::ALIAS_SYM_FILES, 0);
+    BuildOneProject(":mozilla:webshell:macbuild:webshell.mcp",                  "webshell$D.shlb", 1, $main::ALIAS_SYM_FILES, 1);
     BuildOneProject(":mozilla:webshell:embed:mac:RaptorShell.mcp",              "RaptorShell$D.shlb", 1, $main::ALIAS_SYM_FILES, 0);
 
     #// XXX this is here because of a very TEMPORARY dependency