diff --git a/SConstruct b/SConstruct
index 57d818d578d..51f925f634b 100644
--- a/SConstruct
+++ b/SConstruct
@@ -401,7 +401,7 @@ if env['OURPLATFORM'] in ('win32-vc', 'win32-mingw'):
                         '${LCGDIR}/zlib/lib/zlib.dll',
                         '${LCGDIR}/tiff/lib/libtiff.dll']
     if env['BF_DEBUG']:
-        dllsources.append('${LCGDIR}/python/lib/${BF_PYTHON_LIB}.dll')
+        dllsources.append('${LCGDIR}/python/lib/${BF_PYTHON_LIB}_d.dll')
     else:
         dllsources.append('${LCGDIR}/python/lib/${BF_PYTHON_LIB}.dll')
     if env['OURPLATFORM'] == 'win32-mingw':