diff --git a/tests/scripts/test020-syncreplication-cascading b/tests/scripts/test020-syncreplication-cascading
index 524684fe88..49257b6849 100755
--- a/tests/scripts/test020-syncreplication-cascading
+++ b/tests/scripts/test020-syncreplication-cascading
@@ -407,7 +407,7 @@ if test $? != 0 ; then
 fi
 
 echo "Comparing retrieved entries from master and P3 slave..."
-$CMP $SEARCHFLT $P2LDIFFLT > $CMPOUT
+$CMP $SEARCHFLT $P3LDIFFLT > $CMPOUT
 
 if test $? != 0 ; then
 	echo "test failed - master and P3 slave databases differ"