diff --git a/PCbuild/regen.targets b/PCbuild/regen.targets
index d7cb6dbe72acea..e955d1eccb02c5 100644
--- a/PCbuild/regen.targets
+++ b/PCbuild/regen.targets
@@ -109,9 +109,7 @@
           Condition="($(Platform) == 'Win32' or $(Platform) == 'x64') and
                      $(Configuration) != 'PGInstrument' and $(Configuration) != 'PGUpdate'">
     <Message Text="Regenerate @(_TestFrozenOutputs->'%(Filename)%(Extension)', ' ')" Importance="high" />
-    <Exec Command='setlocal
-set PYTHONPATH=$(PySourcePath)Lib
-"$(PythonExe)" Programs\freeze_test_frozenmain.py Programs\test_frozenmain.h'
+    <Exec Command='setlocal%0D%0Aset PYTHONPATH=$(PySourcePath)Lib%0D%0A"$(PythonExe)" Programs\freeze_test_frozenmain.py Programs\test_frozenmain.h'
           WorkingDirectory="$(PySourcePath)" />
   </Target>