diff --git a/src/graphics/render/BlockWrapsRenderer.cpp b/src/graphics/render/BlockWrapsRenderer.cpp
index c286e28ce..edf2625bf 100644
--- a/src/graphics/render/BlockWrapsRenderer.cpp
+++ b/src/graphics/render/BlockWrapsRenderer.cpp
@@ -57,7 +57,9 @@ void BlockWrapsRenderer::draw(BlockWrapper& wrapper, const Texture* texture) {
     glm::vec4 light(1, 1, 1, 0);
     if (wrapper.emission < 1.0f) {
         light = Lightmap::extractNormalized(chunks.getLight(wrapper.position));
-        light = wrapper.emission + (1.0f - light);
+        light.r += wrapper.emission;
+        light.g += wrapper.emission;
+        light.b += wrapper.emission;
     }
     switch (wrapper.modelType) {
         case BlockModelType::BLOCK:
@@ -150,11 +152,13 @@ void BlockWrapsRenderer::draw(const DrawContext& pctx, const Player& player) {
 }
 
 u64id_t BlockWrapsRenderer::add(
-    const glm::ivec3& position, const std::string& texture
+    const glm::ivec3& position, const std::string& texture, float emission
 ) {
     u64id_t id = nextWrapper++;
     wrappers[id] = std::make_unique<BlockWrapper>(BlockWrapper {
-        position, {texture, texture, texture, texture, texture, texture}});
+        position,
+        {texture, texture, texture, texture, texture, texture},
+        emission});
     return id;
 }
 
diff --git a/src/graphics/render/BlockWrapsRenderer.hpp b/src/graphics/render/BlockWrapsRenderer.hpp
index 2d14e4a93..84f7f5b91 100644
--- a/src/graphics/render/BlockWrapsRenderer.hpp
+++ b/src/graphics/render/BlockWrapsRenderer.hpp
@@ -22,7 +22,7 @@ class DrawContext;
 struct BlockWrapper {
     glm::ivec3 position;
     std::array<std::string, 6> textureFaces {};
-    float emission = 1.0f;
+    float emission = 0.0f;
 
     // --- render cache ---
     util::TextureRegion texRegions[6] {};
@@ -53,7 +53,9 @@ public:
 
     void draw(const DrawContext& ctx, const Player& player);
 
-    u64id_t add(const glm::ivec3& position, const std::string& texture);
+    u64id_t add(
+        const glm::ivec3& position, const std::string& texture, float emission
+    );
 
     BlockWrapper* get(u64id_t id) const;
 
diff --git a/src/logic/scripting/lua/libs/libblockwraps.cpp b/src/logic/scripting/lua/libs/libblockwraps.cpp
index 30aaa60c6..d4f937ac5 100644
--- a/src/logic/scripting/lua/libs/libblockwraps.cpp
+++ b/src/logic/scripting/lua/libs/libblockwraps.cpp
@@ -9,9 +9,10 @@ using namespace scripting;
 static int l_wrap(lua::State* L) {
     auto position = lua::tovec3(L, 1);
     std::string texture = lua::require_string(L, 2);
+    float emission = lua::isnumber(L, 3) ? lua::tonumber(L, 3) : 1.0f;
 
     return lua::pushinteger(
-        L, renderer->blockWraps->add(position, std::move(texture))
+        L, renderer->blockWraps->add(position, std::move(texture), emission)
     );
 }