diff --git a/scripts/dmcs.in b/scripts/dmcs.in
index d254e29c7b718..e86cdf9df091c 100755
--- a/scripts/dmcs.in
+++ b/scripts/dmcs.in
@@ -1,2 +1,2 @@
 #!/bin/sh
-exec @bindir@/mono $MONO_OPTIONS @mono_instdir@/4.5/mcs.exe "$@"
+exec @bindir@/mono $MONO_OPTIONS @mono_instdir@/4.5/mcs.exe -sdk:4.0 "$@"