diff --git a/testing/btest/broker/remote_log.zeek b/testing/btest/broker/remote_log.zeek
index 9a030b2d9e..c3f0cc9303 100644
--- a/testing/btest/broker/remote_log.zeek
+++ b/testing/btest/broker/remote_log.zeek
@@ -13,6 +13,9 @@
 
 # @TEST-START-FILE common.zeek
 
+# Relies on Cluster::backend being properly set for logging.
+@load frameworks/cluster/backend/broker
+
 redef exit_only_after_terminate = T;
 
 module Test;
diff --git a/testing/btest/broker/remote_log_batch.zeek b/testing/btest/broker/remote_log_batch.zeek
index d0f3b44ce8..f8b2694bb2 100644
--- a/testing/btest/broker/remote_log_batch.zeek
+++ b/testing/btest/broker/remote_log_batch.zeek
@@ -13,6 +13,9 @@
 
 # @TEST-START-FILE common.zeek
 
+# Relies on Cluster::backend being properly set for logging.
+@load frameworks/cluster/backend/broker
+
 redef exit_only_after_terminate = T;
 
 module Test;
diff --git a/testing/btest/broker/remote_log_late_join.zeek b/testing/btest/broker/remote_log_late_join.zeek
index bc5660f424..294605385e 100644
--- a/testing/btest/broker/remote_log_late_join.zeek
+++ b/testing/btest/broker/remote_log_late_join.zeek
@@ -13,6 +13,9 @@
 
 # @TEST-START-FILE common.zeek
 
+# Relies on Cluster::backend being properly set for logging.
+@load frameworks/cluster/backend/broker
+
 redef exit_only_after_terminate = T;
 
 module Test;
diff --git a/testing/btest/broker/remote_log_types.zeek b/testing/btest/broker/remote_log_types.zeek
index cb4e74251c..1817fe4cf6 100644
--- a/testing/btest/broker/remote_log_types.zeek
+++ b/testing/btest/broker/remote_log_types.zeek
@@ -16,6 +16,9 @@
 
 # @TEST-START-FILE common.zeek
 
+# Relies on Cluster::backend being properly set for logging.
+@load frameworks/cluster/backend/broker
+
 redef exit_only_after_terminate = T;
 
 global quit_receiver: event();