diff --git a/light/bounce.cc b/light/bounce.cc
index d368a148..3e473794 100644
--- a/light/bounce.cc
+++ b/light/bounce.cc
@@ -46,7 +46,7 @@ using namespace polylib;
 
 mutex radlights_lock;
 map<string, qvec3f> texturecolors;
-std::vector<bouncelight_t> radlights;
+static std::vector<bouncelight_t> radlights;
 std::map<int, std::vector<int>> radlightsByFacenum;
 
 class patch_t {
diff --git a/light/entities.cc b/light/entities.cc
index cf730fa4..4286b3a0 100644
--- a/light/entities.cc
+++ b/light/entities.cc
@@ -32,7 +32,7 @@ using strings = std::vector<std::string>;
 std::vector<light_t> all_lights;
 std::vector<sun_t> all_suns;
 std::vector<entdict_t> entdicts;
-std::vector<entdict_t> radlights;
+static std::vector<entdict_t> radlights;
 
 const std::vector<light_t>& GetLights() {
     return all_lights;