$pgregress_ecpg->AddDefine('FRONTEND');
     $pgregress_ecpg->AddReference($libpgport);
 
-    my $isolation_tester = $solution->AddProject('isolation_tester','exe','misc');
+    my $isolation_tester = $solution->AddProject('isolationtester','exe','misc');
     $isolation_tester->AddFile('src\test\isolation\isolationtester.c');
     $isolation_tester->AddFile('src\test\isolation\specparse.y');
     $isolation_tester->AddFile('src\test\isolation\specscanner.l');
 
 sub isolationcheck
 {
        chdir "../isolation";
-       copy("../../../$Config/isolation_tester/isolation_tester.exe",".");
+       copy("../../../$Config/isolationtester/isolationtester.exe",".");
     my @args = (
                                "../../../$Config/pg_isolation_regress/pg_isolation_regress",
                                "--psqldir=../../../$Config/psql",