diff --git a/stack.sh b/stack.sh
index 5c16f04..b91c106 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1004,10 +1004,6 @@
         bootstrap_keystone
     fi
 
-    if is_service_enabled tls-proxy; then
-        export OS_CACERT=$INT_CA_DIR/ca-chain.pem
-    fi
-
     # Rather than just export these, we write them out to a
     # intermediate userrc file that can also be used to debug if
     # something goes wrong between here and running
@@ -1028,6 +1024,10 @@
 
 EOF
 
+    if is_service_enabled tls-proxy; then
+        echo "export OS_CACERT=$INT_CA_DIR/ca-chain.pem" >> $TOP_DIR/userrc_early
+    fi
+
     source $TOP_DIR/userrc_early
 
     create_keystone_accounts