diff --git a/build.cmd b/build.cmd
index e29c95aa65a..2de8d8e4fcf 100644
--- a/build.cmd
+++ b/build.cmd
@@ -154,6 +154,7 @@ if /i '%ARG%' == 'nobuild' (
 if /i '%ARG%' == 'all' (
     set _autoselect=0
     set BUILD_PROTO=1
+    set BUILD_PROTO_WITH_CORECLR_LKG=1
     set BUILD_NET40=1
     set BUILD_CORECLR=1
     set BUILD_PORTABLE=1
@@ -255,6 +256,7 @@ if /i '%ARG%' == 'noskip' (
 if /i '%ARG%' == 'test-all' (
     set _autoselect=0
     set BUILD_PROTO=1
+    set BUILD_PROTO_WITH_CORECLR_LKG=1
     set BUILD_NET40=1
     set BUILD_CORECLR=1
     set BUILD_PORTABLE=1