diff --git a/testing/btest/scripts/base/frameworks/input/missing-file-initially.bro b/testing/btest/scripts/base/frameworks/input/missing-file-initially.bro
index 73fd57284e..4db255b69d 100644
--- a/testing/btest/scripts/base/frameworks/input/missing-file-initially.bro
+++ b/testing/btest/scripts/base/frameworks/input/missing-file-initially.bro
@@ -8,7 +8,7 @@
 # @TEST-EXEC: sleep 2; mv does-not-exist.dat does-not-exist-again.dat; echo "Streaming still works" >> does-not-exist-again.dat
 # @TEST-EXEC: btest-bg-wait -k 3
 # @TEST-EXEC: btest-diff bro/.stdout
-# @TEST-EXEC: btest-diff bro/.stderr
+# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-sort btest-diff bro/.stderr
 
 @TEST-START-FILE does-exist.dat
 #separator \x09