diff --git a/test/label_test b/test/label_test
index 0bf89226cb..b0a605cdac 100644
--- a/test/label_test
+++ b/test/label_test
@@ -6,6 +6,7 @@ export UDEV_CONFIG_DIR=$PWD/
 export UDEV_ROOT=$PWD/udev/
 export UDEV_DB=udev.tdb
 export UDEV_CONFIG_FILE=label_test.config
+export UDEV_RULES_FILE=label_test.rules
 export UDEV_PERMISSION_FILE=udev.permissions
 
 export ACTION=add
diff --git a/test/modifier_test b/test/modifier_test
index 3dcd4454fc..a028d20e4d 100644
--- a/test/modifier_test
+++ b/test/modifier_test
@@ -6,6 +6,7 @@ export UDEV_CONFIG_DIR=$PWD/
 export UDEV_ROOT=$PWD/udev/
 export UDEV_DB=udev.tdb
 export UDEV_CONFIG_FILE=modifier_test.config
+export UDEV_RULES_FILE=modifier_test.rules
 export UDEV_PERMISSION_FILE=udev.permissions
 
 export ACTION=add
diff --git a/test/replace_test b/test/replace_test
index c8e54f8f8d..aae07b48ac 100644
--- a/test/replace_test
+++ b/test/replace_test
@@ -6,6 +6,7 @@ export UDEV_CONFIG_DIR=$PWD/
 export UDEV_ROOT=$PWD/udev/
 export UDEV_DB=udev.tdb
 export UDEV_CONFIG_FILE=replace_test.config
+export UDEV_RULES_FILE=replace_test.rules
 export UDEV_PERMISSION_FILE=udev.permissions
 
 export DEVPATH=class/tty/ttyUSB0
diff --git a/test/topo_test b/test/topo_test
index 2a19c8b5f8..71121f478e 100644
--- a/test/topo_test
+++ b/test/topo_test
@@ -6,6 +6,7 @@ export UDEV_CONFIG_DIR=$PWD/
 export UDEV_ROOT=$PWD/udev/
 export UDEV_DB=udev.tdb
 export UDEV_CONFIG_FILE=topo_test.config
+export UDEV_RULES_FILE=topo_test.rules
 export UDEV_PERMISSION_FILE=udev.permissions
 
 export ACTION=add
diff --git a/test/udev-test.pl b/test/udev-test.pl
index 8b967c353c..8af09a027b 100644
--- a/test/udev-test.pl
+++ b/test/udev-test.pl
@@ -161,7 +161,7 @@ sub udev {
 	my ($action, $subsys, $devpath, $config) = @_;
 
 	$ENV{DEVPATH} = $devpath;
-	$ENV{UDEV_CONFIG_FILE} = $conf_tmp;
+	$ENV{UDEV_RULES_FILE} = $conf_tmp;
 
 	# create temporary config
 	open CONF, ">$conf_tmp" || die "unable to create config file: $conf_tmp";