diff --git a/openerp/report/render/rml2pdf/customfonts.py b/openerp/report/render/rml2pdf/customfonts.py
index a54359b4f0b..1fb3e4e510d 100644
--- a/openerp/report/render/rml2pdf/customfonts.py
+++ b/openerp/report/render/rml2pdf/customfonts.py
@@ -73,7 +73,7 @@ def list_all_sysfonts():
     # TTFOpenFile is not very good at it.
     searchpath = list(set(TTFSearchPath + rl_config.TTFSearchPath))
     for dirname in searchpath:
-        for filename in glob.glob(os.path.join(os.path.expanduser(dirname), '*.[Tt][Tt][Ff]')):
+        for filename in glob.glob(os.path.join(os.path.expanduser(dirname), '*.[Tt][Tt][FfCc]')):
             filepath.append(filename)
     return filepath