diff --git a/source/blender/blenkernel/intern/sequencer.c b/source/blender/blenkernel/intern/sequencer.c
index 3a04bd79360..5b1f50a8027 100644
--- a/source/blender/blenkernel/intern/sequencer.c
+++ b/source/blender/blenkernel/intern/sequencer.c
@@ -3688,6 +3688,17 @@ static ImBuf *seq_render_strip_stack_apply_effect(const SeqRenderData *context,
        float facf = seq->blend_opacity / 100.0f;
        int swap_input = seq_must_swap_input_in_blend_mode(seq);
 
+       printf("%p, %p  ||  %p, %p\n", ibuf1->rect, ibuf2->rect, ibuf1->rect_float, ibuf2->rect_float);
+
+       if (ibuf1->rect_float != NULL && ibuf2->rect_float == NULL) {
+               IMB_float_from_rect(ibuf2);
+               imb_freerectImBuf(ibuf2);
+       }
+       else if (ibuf2->rect_float != NULL && ibuf1->rect_float == NULL) {
+               IMB_float_from_rect(ibuf1);
+               imb_freerectImBuf(ibuf1);
+       }
+
        if (swap_input) {
                if (sh.multithreaded)
                        out = seq_render_effect_execute_threaded(&sh, context, seq, cfra, facf, facf, ibuf2, ibuf1, NULL);