diff --git a/src/content/ContentLoader.cpp b/src/content/ContentLoader.cpp
index e2bf81f2d..e2a463cac 100644
--- a/src/content/ContentLoader.cpp
+++ b/src/content/ContentLoader.cpp
@@ -441,7 +441,8 @@ static void load_script(const Content& content, T& def) {
             def.name,
             scriptfile,
             def.scriptFile,
-            def.rt.funcsset
+            def.rt.funcsset,
+            def.rt.eventNames
         );
     }
 }
diff --git a/src/items/ItemDef.hpp b/src/items/ItemDef.hpp
index ee37215a6..3f16e04b1 100644
--- a/src/items/ItemDef.hpp
+++ b/src/items/ItemDef.hpp
@@ -15,6 +15,9 @@ struct ItemFuncsSet {
     bool on_block_break_by : 1;
 };
 
+struct ItemFuncNamesCache {
+};
+
 enum class ItemIconType {
     NONE,    // invisible (core:empty) must not be rendered
     SPRITE,  // textured quad: icon is `atlas_name:texture_name`
@@ -75,6 +78,8 @@ struct ItemDef {
         bool emissive = false;
 
         std::set<int> tags;
+
+        ItemFuncNamesCache eventNames;
     } rt {};
 
     ItemDef(const std::string& name);
diff --git a/src/logic/scripting/scripting.cpp b/src/logic/scripting/scripting.cpp
index 4af1a4287..ca1ab3164 100644
--- a/src/logic/scripting/scripting.cpp
+++ b/src/logic/scripting/scripting.cpp
@@ -1,8 +1,5 @@
 #include "scripting.hpp"
 
-#include <iostream>
-#include <stdexcept>
-
 #include "scripting_commons.hpp"
 #include "content/Content.hpp"
 #include "content/ContentPack.hpp"
@@ -28,6 +25,9 @@
 #include "world/World.hpp"
 #include "interfaces/Process.hpp"
 
+#include <iostream>
+#include <stdexcept>
+
 using namespace scripting;
 
 static debug::Logger logger("scripting");
@@ -391,15 +391,15 @@ void scripting::on_blocks_tick(const Block& block, int tps) {
 }
 
 void scripting::update_block(const Block& block, const glm::ivec3& pos) {
-    std::string name = block.name + ".update";
-    lua::emit_event(lua::get_main_state(), name, [pos](auto L) {
+    lua::emit_event(lua::get_main_state(), block.rt.eventNames.update,
+    [pos](auto L) {
         return lua::pushivec_stack(L, pos);
     });
 }
 
 void scripting::random_update_block(const Block& block, const glm::ivec3& pos) {
-    std::string name = block.name + ".randupdate";
-    lua::emit_event(lua::get_main_state(), name, [pos](auto L) {
+    lua::emit_event(lua::get_main_state(), block.rt.eventNames.randomUpdate,
+    [pos](auto L) {
         return lua::pushivec_stack(L, pos);
     });
 }
@@ -660,7 +660,8 @@ void scripting::load_content_script(
     const std::string& prefix,
     const io::path& file,
     const std::string& fileName,
-    BlockFuncsSet& funcsset
+    BlockFuncsSet& funcsset,
+    BlockFuncNamesCache& namesCache
 ) {
     int env = *senv;
     lua::pop(lua::get_main_state(), load_script(env, "block", file, fileName));
@@ -686,6 +687,9 @@ void scripting::load_content_script(
         register_event(env, "on_block_present", prefix + ".blockpresent");
     funcsset.onblockremoved =
         register_event(env, "on_block_removed", prefix + ".blockremoved");
+
+    namesCache.randomUpdate = prefix + ".update";
+    namesCache.randomUpdate = prefix + ".randupdate";
 }
 
 void scripting::load_content_script(
@@ -693,7 +697,8 @@ void scripting::load_content_script(
     const std::string& prefix,
     const io::path& file,
     const std::string& fileName,
-    ItemFuncsSet& funcsset
+    ItemFuncsSet& funcsset,
+    ItemFuncNamesCache& namesCache
 ) {
     int env = *senv;
     lua::pop(lua::get_main_state(), load_script(env, "item", file, fileName));
diff --git a/src/logic/scripting/scripting.hpp b/src/logic/scripting/scripting.hpp
index 298130c99..64fa1a3d1 100644
--- a/src/logic/scripting/scripting.hpp
+++ b/src/logic/scripting/scripting.hpp
@@ -23,7 +23,9 @@ struct ItemDef;
 class Inventory;
 class UiDocument;
 struct BlockFuncsSet;
+struct BlockFuncNamesCache;
 struct ItemFuncsSet;
+struct ItemFuncNamesCache;
 struct WorldFuncsSet;
 struct UserComponent;
 struct uidocscript;
@@ -168,7 +170,8 @@ namespace scripting {
         const std::string& prefix,
         const io::path& file,
         const std::string& fileName,
-        BlockFuncsSet& funcsset
+        BlockFuncsSet& funcsset,
+        BlockFuncNamesCache& namesCache
     );
 
     /// @brief Load script associated with an Item
@@ -182,7 +185,8 @@ namespace scripting {
         const std::string& prefix,
         const io::path& file,
         const std::string& fileName,
-        ItemFuncsSet& funcsset
+        ItemFuncsSet& funcsset,
+        ItemFuncNamesCache& namesCache
     );
 
     /// @brief Load component script
diff --git a/src/voxels/Block.hpp b/src/voxels/Block.hpp
index 96620c8f9..99b9dee70 100644
--- a/src/voxels/Block.hpp
+++ b/src/voxels/Block.hpp
@@ -54,6 +54,11 @@ struct BlockFuncsSet {
     bool onblockremoved : 1;
 };
 
+struct BlockFuncNamesCache {
+    std::string update;
+    std::string randomUpdate;
+};
+
 struct CoordSystem {
     std::array<glm::ivec3, 3> axes;
     /// @brief Grid 3d position fix offset (for negative vectors)
@@ -296,6 +301,8 @@ public:
         blockid_t surfaceReplacement = 0;
 
         std::set<int> tags;
+
+        BlockFuncNamesCache eventNames;
     } rt {};
 
     Block(const std::string& name);