--- a/hghooks/mozhghooks/check/prevent_ftl_changes.py
+++ b/hghooks/mozhghooks/check/prevent_ftl_changes.py
@@ -57,17 +57,19 @@ class FTLCheck(PreTxnChangegroupCheck):
             # Skip merge changesets
             return True
 
         if is_backout(ctx.description()):
             # Ignore backouts
             return True
 
         if any(f.endswith('.ftl') for f in ctx.files()):
-            requal = parse_requal_reviewers(ctx.description())
+            requal = [
+                r.lower() for r in parse_requal_reviewers(ctx.description())
+            ]
             reviewers = [nick for (name, nick) in FTL_DRIVERS]
             if any(nick in reviewers for nick in requal):
                 return True
 
             print_banner(self.ui, 'error', FTL_COMMIT_FOUND)
             return False
         return True
 

--- a/hghooks/tests/test-prevent-ftl-changes.t
+++ b/hghooks/tests/test-prevent-ftl-changes.t
@@ -51,8 +51,20 @@ Commit adding an FTL file with appropria
   $ hg -q commit -A -m 'add test2.ftl. r=someonelse,stas'
   $ hg push
   pushing to $TESTTMP/normal
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
+
+Commit adding an FTL file with appropriate reviewer works, case-independent
+
+  $ touch test3.ftl
+  $ hg -q commit -A -m 'add test3.ftl. r=Pike'
+  $ hg push
+  pushing to $TESTTMP/normal
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 1 changes to 1 files