diff --git a/src/gallium/drivers/iris/iris_screen.c b/src/gallium/drivers/iris/iris_screen.c
index d61993fbaff..60ad4ce537d 100644
--- a/src/gallium/drivers/iris/iris_screen.c
+++ b/src/gallium/drivers/iris/iris_screen.c
@@ -202,6 +202,7 @@ iris_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_SHADER_SAMPLES_IDENTICAL:
    case PIPE_CAP_GL_SPIRV:
    case PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS:
+   case PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION:
       return true;
    case PIPE_CAP_FBFETCH:
       return BRW_MAX_DRAW_BUFFERS;