diff --git a/bitbake/lib/bb/utils.py b/bitbake/lib/bb/utils.py
index 2d4b258b85..b7e2c9218b 100644
--- a/bitbake/lib/bb/utils.py
+++ b/bitbake/lib/bb/utils.py
@@ -1476,12 +1476,13 @@ def get_file_layer(filename, d):
         return match
 
     result = None
-    bbfiles = (d.getVar('BBFILES') or '').split()
+    bbfiles = (d.getVar('BBFILES_PRIORITIZED') or '').split()
     bbfilesmatch = False
     for bbfilesentry in bbfiles:
-        if fnmatch.fnmatch(filename, bbfilesentry):
+        if fnmatch.fnmatchcase(filename, bbfilesentry):
             bbfilesmatch = True
             result = path_to_layer(bbfilesentry)
+            break
 
     if not bbfilesmatch:
         # Probably a bbclass