diff --git a/configure.ac b/configure.ac
index 17d4060..236c4c2 100755
--- a/configure.ac
+++ b/configure.ac
@@ -470,7 +470,7 @@
 if test "$with_dotnetcore" = "yes";  then
   AC_PATH_PROG([DOTNETCORE], [dotnet])
   if [[ -x "$DOTNETCORE" ]] ; then
-    AX_PROG_DOTNETCORE_VERSION( [1.0.0], have_dotnetcore="yes", have_dotnetcore="no")
+    AX_PROG_DOTNETCORE_VERSION( [2.0.0], have_dotnetcore="yes", have_dotnetcore="no")
   fi
 fi
 AM_CONDITIONAL(WITH_DOTNETCORE, [test "$have_dotnetcore" = "yes"])
@@ -897,6 +897,8 @@
 AC_SUBST([MAYBE_LUA])
 if test "$have_rs" = "yes" ; then MAYBE_RS="rs" ; else MAYBE_RS="" ; fi
 AC_SUBST([MAYBE_RS])
+if test "$have_dotnetcore" = "yes" ; then MAYBE_DOTNETCORE="netcore" ; else MAYBE_DOTNETCORE="" ; fi
+AC_SUBST([MAYBE_DOTNETCORE])
 
 AC_OUTPUT