diff --git a/win32/deluge.nsi b/win32/deluge.nsi
index 1069fb131..9e0eb81bb 100644
--- a/win32/deluge.nsi
+++ b/win32/deluge.nsi
@@ -103,12 +103,16 @@
 
 ; Functions
 
-Function .onInit
+Function set_python_dir
     ReadRegStr $PYTHONDIR HKLM "SOFTWARE\Python\PythonCore\${PYTHON_VERSION}\InstallPath" ""
     IfErrors 0 +2
         StrCpy $PYTHONDIR "$INSTDIR\Python"
 FunctionEnd
 
+Function .onInit
+    Call set_python_dir
+FunctionEnd
+
 ; General Settings
 
     ; Version