diff --git a/src/portable/portabled-bus.c b/src/portable/portabled-bus.c
index aec0793fcd..e940f73de5 100644
--- a/src/portable/portabled-bus.c
+++ b/src/portable/portabled-bus.c
@@ -381,7 +381,7 @@ static int method_set_pool_limit(sd_bus_message *message, void *userdata, sd_bus
                         return 1; /* Will call us back */
         }
 
-        r = image_set_pool_limit(m->runtime_scope, IMAGE_MACHINE, limit);
+        r = image_set_pool_limit(m->runtime_scope, IMAGE_PORTABLE, limit);
         if (ERRNO_IS_NEG_NOT_SUPPORTED(r))
                 return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs.");
         if (r < 0)