diff --git a/Other_Tools/Tetrachroma_FileOpen_ineptpdf/ineptpdf_8.4.51.pyw b/Other_Tools/Tetrachroma_FileOpen_ineptpdf/ineptpdf_8.4.51.pyw
index 7a0dcd8..4c301e6 100644
--- a/Other_Tools/Tetrachroma_FileOpen_ineptpdf/ineptpdf_8.4.51.pyw
+++ b/Other_Tools/Tetrachroma_FileOpen_ineptpdf/ineptpdf_8.4.51.pyw
@@ -2290,10 +2290,13 @@ class PDFDocument(object):
             import win32api
             import win32security
             import win32file
-            import winreg
         except:
             raise ADEPTError('PyWin Extension (Win32API module) needed.\n'+\
                              'Download from http://sourceforge.net/projects/pywin32/files/ ')
+        try:
+            import winreg
+        except ImportError:
+            import _winreg as winreg
         try:
             v0 = win32api.GetVolumeInformation('C:\\')
             v1 = win32api.GetSystemInfo()[6]