diff --git a/build.sh b/build.sh

index 39e96dd..b8a1a44 100755

--- dotnet/src/coreclr/build.sh

+++ dotnet/src/coreclr/build.sh

@@ -307,9 +307,9 @@ build_native()

     # Check that the makefiles were created.

     pushd "$intermediatesForBuild"

-    echo "Executing $buildTool install -j $NumProc"

+    echo "Executing $buildTool install"

-    $buildTool install -j $NumProc

+    $buildTool install

     if [ $? != 0 ]; then

         echo "Failed to build $message."

         exit 1