diff --git a/game/entities.cpp b/game/entities.cpp
index 19099f87..6798d7e3 100644
--- a/game/entities.cpp
+++ b/game/entities.cpp
@@ -704,7 +704,7 @@ void renderentbox(const extentity &e, const vec &center, const vec &radius, int
     xtraverts += gle::end();
 }
 
-void renderentradius(extentity &e, bool color)
+void renderentradius(const extentity &e, bool color)
 {
     switch(e.type)
     {