diff --git a/winbuild/regress.ps1 b/winbuild/regress.ps1
index 93b9bb21..77f3c0fd 100644
--- a/winbuild/regress.ps1
+++ b/winbuild/regress.ps1
@@ -248,7 +248,7 @@ function RunTest($scriptPath, $Platform, $testexes)
 				$env:COMMON_CONNECTION_STRING_FOR_REGRESSION_TEST += ";Database=contrib_regression;ConnSettings={set lc_messages='C'}"
 			}
 			write-host "`n`tSetting by env variable:$env:COMMON_CONNECTION_STRING_FOR_REGRESSION_TEST"
-			& .\runsuite $testexes --inputdir=$origdir 2>&1 | Tee-Object -Variable runsuiteOutput
+			.\runsuite $testexes --inputdir=$origdir 2>&1 | ForEach-Object{ "$_" } | Tee-Object -Variable runsuiteOutput
 
 			# Check whether mimalloc ran by searching for a message printed by the MIMALLOC_VERBOSE option
 			if ($ExpectMimalloc -xor ($runsuiteOutput -match "mimalloc: process done")) {