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-rw-r--r--engines/sci/engine/kgraphics.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/engines/sci/engine/kgraphics.cpp b/engines/sci/engine/kgraphics.cpp
index fe2ac41058..64a042c2c4 100644
--- a/engines/sci/engine/kgraphics.cpp
+++ b/engines/sci/engine/kgraphics.cpp
@@ -841,6 +841,8 @@ reg_t kAddToPic(EngineState *s, int argc, reg_t *argv) {
case 0:
break;
case 1:
+ if (argv[0].isNull())
+ return s->r_acc;
s->_gui->addToPicList(argv[0], argc, argv);
break;
case 7: