diff --git a/internal/provider/kubernetes/controller_test.go b/internal/provider/kubernetes/controller_test.go
index 1aa58a1d533..d7dd25f9e46 100644
--- a/internal/provider/kubernetes/controller_test.go
+++ b/internal/provider/kubernetes/controller_test.go
@@ -462,7 +462,8 @@ func TestProcessParamsRef(t *testing.T) {
 
 			// Process the test case gatewayclasses.
 			resourceTree := gatewayapi.NewResources()
-			err := r.processParamsRef(context.Background(), tc.gc, resourceTree)
+			resourceMap := newResourceMapping()
+			err := r.processParamsRef(context.Background(), tc.gc, resourceMap, resourceTree)
 			if tc.expected {
 				require.NoError(t, err)
 				// Ensure the resource tree and map are as expected.