diff --git a/shaders/manif.fs b/shaders/manif.fs
index 6ad4824..e956008 100644
--- a/shaders/manif.fs
+++ b/shaders/manif.fs
@@ -5,7 +5,7 @@ in vec3 vec_normal;
 
 out vec4 fragColor;
 
-const int max = 20; // should change in cpu too
+const int max = 3; // should change in cpu too
 
 uniform vec4 couleur;
 uniform vec4 lumPos[max];
diff --git a/src/manif.c b/src/manif.c
index ffa33d5..fe5a873 100644
--- a/src/manif.c
+++ b/src/manif.c
@@ -100,8 +100,9 @@ static void draw(void) {
   for (int i = 0; i < HEROS_NUMBER; ++i) {
     // Torchs
     // Position
+    float offset = 2; // we make sure that lights never eats the ground
     GLfloat lumpos_i[] = {(_herosId[i].ox / 10) + (deplacement / 10), 1,
-                          ((_herosId[i].oz / 20) - 1)};
+                          ((_herosId[i].oz / 20) - 1) - offset};
     rotate_vec(lumpos_i, ((float)sin(deplacement) + 1));
     memcpy(lumpos[i], lumpos_i, sizeof(lumpos_i));
 
@@ -170,10 +171,10 @@ static void draw(void) {
     gl4dgDraw(_herosId[i].bras_d);
   }
 
-  /* On devrait donner HEROS_NUMBER mais pour éviter de ne plus rien voir avec
-   * les lumières, on en donne que 20 */
-  glUniform4fv(glGetUniformLocation(_pId, "lumPos"), 20, (float *)lumpos);
-  glUniform4fv(glGetUniformLocation(_pId, "lumColor"), 20, (float *)lumcolor);
+  int max_gpu = 3; // HEROS_NUMBER;
+  glUniform4fv(glGetUniformLocation(_pId, "lumPos"), max_gpu, (float *)lumpos);
+  glUniform4fv(glGetUniformLocation(_pId, "lumColor"), max_gpu,
+               (float *)lumcolor);
 
   deplacement += (float)(0.4 * M_PI * dt);
   glUseProgram(0);