diff --git a/tests/scripts/test017-syncreplication-refresh b/tests/scripts/test017-syncreplication-refresh
index 8cdb2bf9dd..48f537a5a6 100755
--- a/tests/scripts/test017-syncreplication-refresh
+++ b/tests/scripts/test017-syncreplication-refresh
@@ -13,7 +13,7 @@
 ## top-level directory of the distribution or, alternatively, at
 ## <http://www.OpenLDAP.org/license.html>.
 
-if test "$BACKEND" != "bdb" -a "$BACKEND" != "hdb" -o ; then
+if test "$BACKEND" != "bdb" -a "$BACKEND" != "hdb" ; then
 	echo "Test does not support $BACKEND"
 	exit 0
 fi
diff --git a/tests/scripts/test018-syncreplication-persist b/tests/scripts/test018-syncreplication-persist
index 33c734f4d5..7030265d14 100755
--- a/tests/scripts/test018-syncreplication-persist
+++ b/tests/scripts/test018-syncreplication-persist
@@ -13,7 +13,7 @@
 ## top-level directory of the distribution or, alternatively, at
 ## <http://www.OpenLDAP.org/license.html>.
 
-if test "$BACKEND" != "bdb" -a "$BACKEND" != "hdb" -o ; then
+if test "$BACKEND" != "bdb" -a "$BACKEND" != "hdb" ; then
 	echo "Test does not support $BACKEND"
 	exit 0
 fi
diff --git a/tests/scripts/test019-syncreplication-cascade b/tests/scripts/test019-syncreplication-cascade
index bf751137b0..1388090bb0 100755
--- a/tests/scripts/test019-syncreplication-cascade
+++ b/tests/scripts/test019-syncreplication-cascade
@@ -13,7 +13,7 @@
 ## top-level directory of the distribution or, alternatively, at
 ## <http://www.OpenLDAP.org/license.html>.
 
-if test "$BACKEND" != "bdb" -a "$BACKEND" != "hdb" -o ; then
+if test "$BACKEND" != "bdb" -a "$BACKEND" != "hdb" ; then
 	echo "Test does not support $BACKEND"
 	exit 0
 fi