diff --git a/testing/btest/scripts/base/frameworks/sumstats/basic-cluster.zeek b/testing/btest/scripts/base/frameworks/sumstats/basic-cluster.zeek
index 28a5809eb5..73ec48ac8e 100644
--- a/testing/btest/scripts/base/frameworks/sumstats/basic-cluster.zeek
+++ b/testing/btest/scripts/base/frameworks/sumstats/basic-cluster.zeek
@@ -7,7 +7,7 @@
 # @TEST-EXEC: btest-bg-run worker-2  ZEEKPATH=$ZEEKPATH:.. CLUSTER_NODE=worker-2 zeek %INPUT
 # @TEST-EXEC: btest-bg-wait 15
 
-# @TEST-EXEC: btest-diff manager-1/.stdout
+# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-sort btest-diff manager-1/.stdout
 
 @TEST-START-FILE cluster-layout.zeek
 redef Cluster::nodes = {
diff --git a/testing/btest/scripts/base/frameworks/sumstats/sample-cluster.zeek b/testing/btest/scripts/base/frameworks/sumstats/sample-cluster.zeek
index ca0ca3da82..38a2738329 100644
--- a/testing/btest/scripts/base/frameworks/sumstats/sample-cluster.zeek
+++ b/testing/btest/scripts/base/frameworks/sumstats/sample-cluster.zeek
@@ -6,7 +6,7 @@
 # @TEST-EXEC: btest-bg-run worker-1  ZEEKPATH=$ZEEKPATH:.. CLUSTER_NODE=worker-1 zeek %INPUT
 # @TEST-EXEC: btest-bg-run worker-2  ZEEKPATH=$ZEEKPATH:.. CLUSTER_NODE=worker-2 zeek %INPUT
 # @TEST-EXEC: btest-bg-wait 45
-# @TEST-EXEC: btest-diff manager-1/.stdout
+# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-sort btest-diff manager-1/.stdout
 
 @TEST-START-FILE cluster-layout.zeek
 redef Cluster::nodes = {
diff --git a/testing/btest/scripts/base/frameworks/sumstats/topk-cluster.zeek b/testing/btest/scripts/base/frameworks/sumstats/topk-cluster.zeek
index acf567bd56..2a73fc6ba7 100644
--- a/testing/btest/scripts/base/frameworks/sumstats/topk-cluster.zeek
+++ b/testing/btest/scripts/base/frameworks/sumstats/topk-cluster.zeek
@@ -7,7 +7,7 @@
 # @TEST-EXEC: btest-bg-run worker-2  ZEEKPATH=$ZEEKPATH:.. CLUSTER_NODE=worker-2 zeek %INPUT
 # @TEST-EXEC: btest-bg-wait 45
 
-# @TEST-EXEC: btest-diff manager-1/.stdout
+# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-sort btest-diff manager-1/.stdout
 #
 @TEST-START-FILE cluster-layout.zeek
 redef Cluster::nodes = {