diff --git a/code/client/cl_uistd.h b/code/client/cl_uistd.h
index dbfc4558..15a7afa3 100644
--- a/code/client/cl_uistd.h
+++ b/code/client/cl_uistd.h
@@ -37,6 +37,8 @@ typedef enum {
     L_STATBAR_HEADING_SPINNER
 } statbar_orientation_t;
 
+extern Event EV_ClearInvItemReference;
+
 class UIFakkLabel : public UILabel
 {
 protected: