diff --git a/xos/configurations/cord-pod/Makefile b/xos/configurations/cord-pod/Makefile
index 6d5ddac..229d5e3 100644
--- a/xos/configurations/cord-pod/Makefile
+++ b/xos/configurations/cord-pod/Makefile
@@ -73,7 +73,7 @@
 .PHONY: local_containers
 local_containers:
 	echo "" > ../../../containers/xos/local_certs.crt
-	for CRT in /usr/local/share/ca-certificates/* ; do \
+	for CRT in $$(/usr/local/share/ca-certificates/*) ; do \
 		echo Adding Certificate: $$CRT ;\
 		cat $$CRT >> ../../../containers/xos/local_certs.crt ;\
 		echo "" >> ../../../containers/xos/local_certs.crt ;\
diff --git a/xos/configurations/devel/Makefile b/xos/configurations/devel/Makefile
index dd1685b..7dc9cde 100644
--- a/xos/configurations/devel/Makefile
+++ b/xos/configurations/devel/Makefile
@@ -17,7 +17,7 @@
 
 local_containers:
 	echo "" > ../../../containers/xos/local_certs.crt
-	for CRT in /usr/local/share/ca-certificates/* ; do \
+	for CRT in $$(/usr/local/share/ca-certificates/*) ; do \
 		echo Adding Certificate: $$CRT ;\
 		cat $$CRT >> ../../../containers/xos/local_certs.crt ;\
 		echo "" >> ../../../containers/xos/local_certs.crt ;\