diff --git a/engine/include/Engine/Input.hpp b/engine/include/Engine/Input.hpp
index ef24edc..d01869c 100755
--- a/engine/include/Engine/Input.hpp
+++ b/engine/include/Engine/Input.hpp
@@ -19,7 +19,6 @@
 #include <functional>
 #include <memory>
 #include <unordered_map>
-#include <uuid.h>
 #include "Gamepad.hpp"
 #include "InputEvents.hpp"
 #include "Mouse.hpp"
@@ -206,7 +205,7 @@ namespace ASGE {
 	private:
     using InputFnc = std::function<void(SharedEventData)>;
     using InputFncPair = std::tuple<EventType, InputFnc>;
-    using InputFncs = std::unordered_map<uuids::uuid, InputFncPair>;
+    using InputFncs = std::unordered_map<std::string, InputFncPair>;
 
     /**
      * Registers a callback function with an event.
@@ -216,7 +215,6 @@ namespace ASGE {
      */
 		std::string registerCallback(EventType eventType, InputFnc inputFnc);
 		InputFncs callback_funcs; //!< The registered callbacks.
-    uuids::uuid_random_generator UUIDGen; //!< The UUID random generator.
 	};
 }  // namespace ASGE
 
diff --git a/engine/src/Engine/Input.cpp b/engine/src/Engine/Input.cpp
index 117dd82..3e38880 100644
--- a/engine/src/Engine/Input.cpp
+++ b/engine/src/Engine/Input.cpp
@@ -12,6 +12,8 @@
 
 #include "Engine/Input.hpp"
 #include <future>
+#include <uuid.h>
+
 
 uuids::uuid_random_generator uuidGenerator() {
   std::random_device rd;
@@ -24,7 +26,6 @@ uuids::uuid_random_generator uuidGenerator() {
 }
 
 ASGE::Input::Input()
-: UUIDGen(uuidGenerator())
 {
   callback_funcs.reserve(50);
 }
@@ -36,8 +37,9 @@ ASGE::Input::~Input()
 
 ASGE::Input::CallbackID ASGE::Input::registerCallback(EventType type, InputFnc fnc)
 {
-  auto uuid = UUIDGen();
-  callback_funcs[uuid] = InputFncPair(type, fnc);
+  static auto uuid_gen = uuidGenerator();
+  auto uuid = uuid_gen();
+  callback_funcs[uuids::to_string(uuid)] = InputFncPair(type, fnc);
   return to_string(uuid);
 }
 
@@ -66,6 +68,5 @@ void ASGE::Input::sendEvent(EventType type, SharedEventData data)
 
 void ASGE::Input::unregisterCallback(CallbackID id)
 {
-  auto uuid = uuids::uuid::from_string(id).value();
-  callback_funcs.erase(uuid);
-}
\ No newline at end of file
+  callback_funcs.erase(id);
+}