diff --git a/lib/Makefile.am b/lib/Makefile.am
index f6060c4..73326a5 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -72,8 +72,9 @@
 SUBDIRS += dart
 endif
 
-if WITH_DOTNETCORE
+if WITH_DOTNET
 SUBDIRS += netcore
+SUBDIRS += netstd
 endif
 
 if WITH_GO