diff --git a/testing/btest/scripts/base/frameworks/logging/rotate-custom.bro b/testing/btest/scripts/base/frameworks/logging/rotate-custom.bro
index 07fc8cef7c..c0f0ef8643 100644
--- a/testing/btest/scripts/base/frameworks/logging/rotate-custom.bro
+++ b/testing/btest/scripts/base/frameworks/logging/rotate-custom.bro
@@ -1,7 +1,7 @@
 #
 # @TEST-EXEC: bro -b -r ${TRACES}/rotation.trace %INPUT | egrep "test|test2" | sort >out.tmp
 # @TEST-EXEC: cat out.tmp pp.log | sort >out
-# @TEST-EXEC: for i in `ls test*.log | sort`; do printf '> %s\n' $i; cat $i; done | sort | uniq >>out
+# @TEST-EXEC: for i in `ls test*.log | sort`; do printf '> %s\n' $i; cat $i; done | sort | $SCRIPTS/diff-remove-timestamps | uniq >>out
 # @TEST-EXEC: btest-diff out
 # @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-sort btest-diff .stderr