diff --git a/taskcluster/ci/source-test/mozlint.yml b/taskcluster/ci/source-test/mozlint.yml
index 483be7eaf3fb..41cda9c13703 100644
--- a/taskcluster/ci/source-test/mozlint.yml
+++ b/taskcluster/ci/source-test/mozlint.yml
@@ -491,6 +491,7 @@ file-perm:
         mach: lint -v -l file-perm -f treeherder -f json:/builds/worker/mozlint.json *
     when:
         files-changed:
+            - '**/*.build'
             - '**/*.c'
             - '**/*.cc'
             - '**/*.cpp'
@@ -506,7 +507,7 @@ file-perm:
             - '**/*.md'
             - '**/*.mjs'
             - '**/*.mm'
-            - '**/*.build'
+            - '**/*.mozbuild'
             - '**/*.mp4'
             - '**/*.png'
             - '**/*.rs'
diff --git a/tools/lint/file-perm.yml b/tools/lint/file-perm.yml
index 8a12bcc94372..805f6439cab4 100644
--- a/tools/lint/file-perm.yml
+++ b/tools/lint/file-perm.yml
@@ -4,6 +4,7 @@ file-perm:
     include:
         - .
     extensions:
+        - .build
         - .c
         - .cc
         - .cpp
@@ -19,7 +20,7 @@ file-perm:
         - .md
         - .mjs
         - .mm
-        - .build
+        - .mozbuild
         - .mp4
         - .png
         - .rs