diff --git a/test/netstd/Makefile.am b/test/netstd/Makefile.am
index 376ffb7..9712fc2 100644
--- a/test/netstd/Makefile.am
+++ b/test/netstd/Makefile.am
@@ -20,10 +20,10 @@
 SUBDIRS = . 
 
 all-local:
-	$(DOTNETCORE) build
+	$(DOTNETCORE) build -c Release
 
 precross:
-	$(DOTNETCORE) build
+	$(DOTNETCORE) build -c Release
 
 clean-local:
 	$(RM) -r Client/bin