--- a/install-static	Fri May 31 20:42:57 2019 -0700
+++ b/install-static	Fri May 31 21:20:22 2019 -0700
@@ -8,6 +8,7 @@
 from argparse import ArgumentParser
 import shutil
 from stat import S_ISDIR, S_ISREG
+from tincan import _casef
 
 # V a r i a b l e s
 
@@ -26,9 +27,9 @@
 
 def copydir(source, target, exclude=True):
     for entry in os.listdir(source):
-        if exclude and entry == WINF:
+        if exclude and _casef(entry, "upper") == WINF:
             continue
-        if entry.startswith(".") or os.path.splitext(entry)[1] in NOT_STATIC:
+        if entry.startswith(".") or _casef(os.path.splitext(entry)[1]) in NOT_STATIC:
             continue
         spath = os.path.join(source, entry)
         tpath = os.path.join(target, entry)