diff --git a/src/tools/msvc/ecpg_regression.proj b/src/tools/msvc/ecpg_regression.proj
index 9fa4a690216..3ccbe545a71 100644
--- a/src/tools/msvc/ecpg_regression.proj
+++ b/src/tools/msvc/ecpg_regression.proj
@@ -15,7 +15,7 @@
  </PropertyGroup>
 
  <ItemGroup>
-  <Pgc Include="$(TESTDIR)\**\*.pgc" Exclude="$(TESTDIR)\performance\perftest.pgc"/>
+  <Pgc Include="$(TESTDIR)\**\*.pgc" Exclude="$(TESTDIR)\performance\perftest.pgc;$(TESTDIR)\sql\define_prelim.pgc"/>
  </ItemGroup>
 
  <ItemGroup>
@@ -51,9 +51,12 @@
   <CreateProperty Value="-i" Condition="'%(Pgc.FileName)'=='strings'">
    <Output TaskParameter="Value" PropertyName="ECPGPARAM" />
   </CreateProperty>
+  <CreateProperty Value="define_prelim.pgc" Condition="'%(Pgc.FileName)'=='define'">
+   <Output TaskParameter="Value" PropertyName="ECPGEXTRA" />
+  </CreateProperty>
 
   <!-- Run ECPG and the Visual C++ compiler on the files. Don't bother with dependency check between the steps -->
-  <Exec WorkingDirectory="%(Pgc.RelativeDir)" Command="$(OUTDIR)ecpg\ecpg -I ../../include --regression $(ECPGPARAM) -o %(Pgc.Filename).c %(Pgc.Filename).pgc" />
+  <Exec WorkingDirectory="%(Pgc.RelativeDir)" Command="$(OUTDIR)ecpg\ecpg -I ../../include --regression $(ECPGPARAM) -o %(Pgc.Filename).c $(ECPGEXTRA) %(Pgc.Filename).pgc" />
   <Exec WorkingDirectorY="%(Pgc.RelativeDir)" Command="cl /nologo %(Pgc.FileName).c /TC /MD$(DEBUGLIB) /DENABLE_THREAD_SAFETY /DWIN32 /I. /I..\..\include /I..\..\..\libpq /I..\..\..\..\include /link /defaultlib:$(OUTDIR)libecpg\libecpg.lib /defaultlib:$(OUTDIR)libecpg_compat\libecpg_compat.lib /defaultlib:$(OUTDIR)libpgtypes\libpgtypes.lib" />
  </Target>