diff --git a/CMakeLists.txt b/CMakeLists.txt
index 50c8d1e..4f0d973 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -226,7 +226,11 @@ add_executable(fallout2-ce WIN32
     "src/world_map.h"
     "src/xfile.cc"
     "src/xfile.h"
-    "src/FpsLimiter.cc"
+)
+
+target_sources(fallout2-ce PUBLIC
+    "src/fps_limiter.cc"
+    "src/fps_limiter.h"
 )
 
 target_compile_definitions(fallout2-ce PUBLIC
diff --git a/src/FpsLimiter.cc b/src/FpsLimiter.cc
deleted file mode 100644
index 156746e..0000000
--- a/src/FpsLimiter.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-#include "FpsLimiter.h"
-
-FpsLimiter::FpsLimiter(size_t fps): 
-    _Fps(fps), 
-    _Ticks(0)
-{
-}
-
-void FpsLimiter::Begin()
-{
-    _Ticks = SDL_GetTicks();
-}
-
-void FpsLimiter::End()
-{
-    if (1000 / _Fps > SDL_GetTicks() - _Ticks) 
-        SDL_Delay(1000 / _Fps - (SDL_GetTicks() - _Ticks));
-}
diff --git a/src/FpsLimiter.h b/src/FpsLimiter.h
deleted file mode 100644
index b1a6b9b..0000000
--- a/src/FpsLimiter.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#ifndef Fallout2_RE_FpsLimiter_h_
-#define Fallout2_RE_FpsLimiter_h_
-
-#include <SDL.h>
-
-class FpsLimiter 
-{
-public:
-    FpsLimiter(size_t fps = 60);
-    void Begin();
-    void End();
-
-private:
-    size_t _Fps;
-    size_t _Ticks;
-};
-
-#endif
diff --git a/src/fps_limiter.cc b/src/fps_limiter.cc
new file mode 100644
index 0000000..e91040d
--- /dev/null
+++ b/src/fps_limiter.cc
@@ -0,0 +1,21 @@
+#include "fps_limiter.h"
+
+#include <SDL.h>
+
+FpsLimiter::FpsLimiter(size_t fps)
+    : _fps(fps)
+    , _ticks(0)
+{
+}
+
+void FpsLimiter::mark()
+{
+    _ticks = SDL_GetTicks();
+}
+
+void FpsLimiter::throttle() const
+{
+    if (1000 / _fps > SDL_GetTicks() - _ticks) {
+        SDL_Delay(1000 / _fps - (SDL_GetTicks() - _ticks));
+    }
+}
diff --git a/src/fps_limiter.h b/src/fps_limiter.h
new file mode 100644
index 0000000..1667d28
--- /dev/null
+++ b/src/fps_limiter.h
@@ -0,0 +1,15 @@
+#ifndef FPS_LIMITER_H
+#define FPS_LIMITER_H
+
+class FpsLimiter {
+public:
+    FpsLimiter(size_t fps = 60);
+    void mark();
+    void throttle() const;
+
+private:
+    const size_t _fps;
+    size_t _ticks;
+};
+
+#endif /* FPS_LIMITER_H */
diff --git a/src/main.cc b/src/main.cc
index fbecc42..3fa9673 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -312,7 +312,7 @@ void mainLoop(FpsLimiter& fpsLimiter)
     scriptsEnable();
 
     while (_game_user_wants_to_quit == 0) {
-        fpsLimiter.Begin();
+        fpsLimiter.mark();
 
         int keyCode = _get_input();
         gameHandleKey(keyCode, false);
@@ -331,7 +331,7 @@ void mainLoop(FpsLimiter& fpsLimiter)
             _game_user_wants_to_quit = 2;
         }
 
-        fpsLimiter.End();
+        fpsLimiter.throttle();
     }
 
     scriptsDisable();
@@ -778,7 +778,7 @@ int mainMenuWindowHandleEvents(FpsLimiter& fpsLimiter)
 
     int rc = -1;
     while (rc == -1) {
-        fpsLimiter.Begin();
+        fpsLimiter.mark();
 
         int keyCode = _get_input();
 
@@ -827,7 +827,7 @@ int mainMenuWindowHandleEvents(FpsLimiter& fpsLimiter)
             }
         }
 
-        fpsLimiter.End();
+        fpsLimiter.throttle();
     }
 
     if (oldCursorIsHidden) {
diff --git a/src/main.h b/src/main.h
index 50665d3..dd89a59 100644
--- a/src/main.h
+++ b/src/main.h
@@ -2,7 +2,7 @@
 #define MAIN_H
 
 #include "art.h"
-#include "FpsLimiter.h"
+#include "fps_limiter.h"
 
 #include <stdbool.h>