diff --git a/src/cfgparse.c b/src/cfgparse.c
index 6e962c8..ec6d923 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -6015,6 +6015,8 @@
 
 	/* use_backend */
 	list_for_each_entry(rule, &from->switching_rules, list) {
+		if (rule->dynamic)
+			continue;
 		to = rule->be.backend;
 		propagate_processes(from, to);
 	}