diff --git a/interfaces/Crafter.Event.cppm b/interfaces/Crafter.Event.cppm
index 6bdce6a..9c526b1 100644
--- a/interfaces/Crafter.Event.cppm
+++ b/interfaces/Crafter.Event.cppm
@@ -172,7 +172,8 @@ namespace Crafter {
             
             for (auto& listenerSlice : this->listeners) {
                 listenerSlice.second.erase(std::remove(listenerSlice.second.begin(), listenerSlice.second.end(), static_cast<EventListener<void>*>(nullptr)), listenerSlice.second.end());
-                for (const auto& listener : listenerSlice.second) {
+                auto sliceCopy = listenerSlice.second;
+                for (const auto& listener : sliceCopy) {
                     #ifdef CRAFTER_TIMING
                     auto start = std::chrono::high_resolution_clock::now();
                     #endif
@@ -201,7 +202,8 @@ namespace Crafter {
             
             for (auto& listenerSlice : this->listeners) {
                 listenerSlice.second.erase(std::remove(listenerSlice.second.begin(), listenerSlice.second.end(), static_cast<EventListener<T>*>(nullptr)), listenerSlice.second.end());
-                for (const auto& listener : listenerSlice.second) {
+                auto sliceCopy = listenerSlice.second;
+                for (const auto& listener : sliceCopy) {
                     #ifdef CRAFTER_TIMING
                     auto start = std::chrono::high_resolution_clock::now();
                     #endif