diff --git a/backends/alpm/pk-backend-transaction.c b/backends/alpm/pk-backend-transaction.c
index fdb840e..a4a712f 100644
--- a/backends/alpm/pk-backend-transaction.c
+++ b/backends/alpm/pk-backend-transaction.c
@@ -280,8 +280,8 @@ pk_backend_install_ignorepkg (PkBackend *self, pmpkg_t *pkg, gint *result)
 }
 
 static void
-pk_backend_select_provider (PkBackend *self, pmdepend_t *dep,
-			    const alpm_list_t *providers)
+pk_backend_select_provider (PkBackend *self, const alpm_list_t *providers,
+			    pmdepend_t *dep)
 {
 	gchar *output;