diff --git a/run-build.ps1 b/run-build.ps1
index 385ea1c8d..254da25d2 100644
--- a/run-build.ps1
+++ b/run-build.ps1
@@ -34,7 +34,7 @@ foreach ($param in $ExtraParameters.split())
 {
     if((-not $param.StartsWith("/t")) -and (-not $param.StartsWith("/T")))
     {
-        $ExtraParametersNoTargets += " {0}" -f $param
+        $ExtraParametersNoTargets += "{0} " -f $param
     }
 }