--- a/devtools/server/shims/moz.build
+++ b/devtools/server/shims/moz.build
@@ -8,11 +8,11 @@ DIRS += [
     'toolkit',
 ]
 
 # Unlike most DevTools build files, this file does not use DevToolsModules
 # because these files are here for add-on compatibility, and so they must be
 # installed to previously defined locations.
 
 # Extra compatibility layer for old path after relocation in bug 1270173
-FINAL_TARGET_FILES.chrome.devtools.modules.devtools.server += [
+FINAL_TARGET_FILES.features['devtools@mozilla.org'].chrome.modules.server += [
     'protocol.js',
 ]