diff --git a/src/shell-blur-effect.c b/src/shell-blur-effect.c
index 2d49ffafe..4a2f8f782 100644
--- a/src/shell-blur-effect.c
+++ b/src/shell-blur-effect.c
@@ -1082,7 +1082,7 @@ shell_blur_effect_set_mode (ShellBlurEffect *self,
   switch (mode)
     {
     case SHELL_BLUR_MODE_ACTOR:
-      clear_framebuffer (&self->background_fb);
+      clear_framebuffer (self->background_fb.framebuffer);
       break;
 
     case SHELL_BLUR_MODE_BACKGROUND: