diff --git a/GNUmakerules b/GNUmakerules
index 216c784ac40962a693a26c32fc12c26227c121c3..315930f40cc3458caf46cbbce8789d61afe9a352 100644
--- a/GNUmakerules
+++ b/GNUmakerules
@@ -111,7 +111,7 @@ default-clean:
 # This is to avoid warnings about duplicate targets.
 default-install-notusing:
 ifeq ($(ISMAINSITE),1)
-ifeq ($(TBROOT),/usr/testbed/devel/stoller)
+ifeq ($(TBROOT),/usr/testbed)
 	(cd $(SRCDIR) ; \
 	  git status --porcelain -s -b | head -1 | grep -q -s current)
 else