diff --git a/ui/drivers/ui_qt.cpp b/ui/drivers/ui_qt.cpp
index 4e679cfeae..00c9d466fa 100644
--- a/ui/drivers/ui_qt.cpp
+++ b/ui/drivers/ui_qt.cpp
@@ -631,8 +631,26 @@ static void ui_companion_qt_event_command(void *data, enum event_command cmd)
    switch (cmd)
    {
       case CMD_EVENT_SHADERS_APPLY_CHANGES:
-         /* PRESET_LOADED already fires in more situations than APPLY_CHANGES, use that for reloading the params window */
+      {
+         /* If shader was turned off, reload the params window manually because PRESET_LOADED won't be fired */
+         video_shader_ctx_t shader_info = {0};
+
+         if (!video_shader_driver_get_current_shader(&shader_info))
+            break;
+
+         /* Isn't there a better way to do this? */
+         if (shader_info.data && shader_info.data->num_parameters == 0)
+         {
+            if (shader_info.data->passes == 1 && string_is_empty(shader_info.data->pass[0].source.path))
+            {
+               RARCH_LOG("[Qt]: Clearing shader parameters.\n");
+               win_handle->qtWindow->deferReloadShaderParams();
+            }
+         }
+
+         /* Otherwise, PRESET_LOADED fires in more situations than APPLY_CHANGES, so use that for reloading the params window */
          break;
+      }
       case CMD_EVENT_SHADER_PRESET_LOADED:
          RARCH_LOG("[Qt]: Reloading shader parameters.\n");
          win_handle->qtWindow->deferReloadShaderParams();