diff --git a/BuildAndTest.proj b/BuildAndTest.proj
index 362ce85a3aae0143d39643e502a513a85161d143..e6b27797e3c7ec08ed98a75c1af64c6c346b4b36 100644
--- a/BuildAndTest.proj
+++ b/BuildAndTest.proj
@@ -96,7 +96,7 @@
 
     <Exec Command="$(CoreClrTestDirectory)\CoreRun.exe $(CoreClrTestDirectory)\xunit.console.netcore.exe @(CoreTestAssemblies, ' ') -parallel all -xml $(CoreClrTestDirectory)\xUnitResults\TestResults.xml" />
 
-    <Exec Command="Binaries\$(Configuration)\RunTests\RunTests.exe $(NuGetPackageRoot)\xunit.runner.console\$(XunitVersion)\tools $(RunTestArgs) @(TestAssemblies, ' ')" />
+    <Exec Command="Binaries\$(Configuration)\RunTests\RunTests.exe &quot;$(NuGetPackageRoot)\xunit.runner.console\$(XunitVersion)\tools&quot; $(RunTestArgs) @(TestAssemblies, ' ')" />
 
   </Target>