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-rw-r--r--src/misc_gui.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
index 91c03c2d2..028fd9409 100644
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -633,6 +633,7 @@ struct TooltipsWindow : public Window
{
this->string_id = str;
assert(sizeof(this->params[0]) == sizeof(params[0]));
+ assert(paramcount <= lengthof(this->params));
memcpy(this->params, params, sizeof(this->params[0]) * paramcount);
this->paramcount = paramcount;
this->use_left_mouse_button = use_left_mouse_button;