diff --git a/source/engine.cpp b/source/engine.cpp
index 442f6cd..cca3df7 100644
--- a/source/engine.cpp
+++ b/source/engine.cpp
@@ -1102,24 +1102,18 @@ void Engine::setPostFXParamOverrides(float vignette, float chroma) {
 }
 
 void Engine::cycleShader() {
-    static const char* names[5] = {
-        "PostFX desactivado", "PostFX viñeta", "PostFX scanlines",
-        "PostFX cromática",   "PostFX completo"
-    };
-    postfx_cycle_idx_ = (postfx_cycle_idx_ + 1) % 5;
-    int cycle = postfx_cycle_idx_;
+    // X no hace nada si PostFX está desactivado
+    if (!postfx_enabled_) return;
 
-    if (cycle == 0) {
-        postfx_enabled_ = false;
-        postfx_uniforms_.vignette_strength = 0.0f;
-        postfx_uniforms_.chroma_strength   = 0.0f;
-        postfx_uniforms_.scanline_strength = 0.0f;
-    } else {
-        postfx_enabled_     = true;
-        postfx_effect_mode_ = cycle - 1;
-        applyPostFXPreset(postfx_effect_mode_);
-    }
-    showNotificationForAction(names[cycle]);
+    // Cicla solo entre los 4 modos (sin OFF)
+    postfx_effect_mode_ = (postfx_effect_mode_ + 1) % 4;
+    applyPostFXPreset(postfx_effect_mode_);
+
+    static constexpr const char* names[4] = {
+        "PostFX viñeta", "PostFX scanlines",
+        "PostFX cromática", "PostFX completo"
+    };
+    showNotificationForAction(names[postfx_effect_mode_]);
 }
 
 void Engine::toggleIntegerScaling() {
diff --git a/source/engine.hpp b/source/engine.hpp
index f2822a2..390256d 100644
--- a/source/engine.hpp
+++ b/source/engine.hpp
@@ -182,14 +182,11 @@ class Engine {
 
         // PostFX uniforms (passed to GPU each frame)
         PostFXUniforms postfx_uniforms_ = {0.0f, 0.0f, 0.0f, 0.0f};
-        int postfx_effect_mode_ = 0;
+        int postfx_effect_mode_ = 3;
         bool postfx_enabled_ = false;
         float postfx_override_vignette_ = -1.f;  // -1 = sin override
         float postfx_override_chroma_   = -1.f;
 
-        // Cicle PostFX natiu (0=OFF, 1=Vinyeta, 2=Scanlines, 3=Cromàtica, 4=Complet)
-        int postfx_cycle_idx_ = 0;
-
         // Sistema de zoom dinámico
         int current_window_zoom_ = DEFAULT_WINDOW_ZOOM;