diff --git a/window.c b/window.c
index 541b1f8..09fe6e6 100644
--- a/window.c
+++ b/window.c
@@ -29,6 +29,10 @@ static void pmotion(int x, int y);
 static void mouse(int button, int state, int x, int y);
 static void goto_obj(float * mvMat);
 static void move_to(float posx, float posy , float posz);
+static void draw_object(float * nmv, float * projMat, surface_t * obj,
+						float ma, float mx, float my, float mz,
+						float tx, float ty, float tz, float s,
+						float ra, float rx, float ry, float rz);
 static int get_sign(float x, float y);
 
 /*!\brief un identifiant pour l'écran (de dessin) */
@@ -76,7 +80,7 @@ static int _overview = 0; // boolean to toggle overview (view from the top).
 static int _p = -1; // the object (sun, planets, pluto) number to move.
 static float _s = 1.0f; // multiplier for angle (for speeding planets movement and rotation).
 static float _a = 0.0f; // rotation angle.
-static float _r = 0.0f;
+static float _r = 0.0f; // -//-
 
 static Mix_Chunk * bsound = NULL; // background sound.
 
@@ -281,7 +285,7 @@ static void goto_obj(float * mvMat) {
 	}
 }
 
-void draw_object(float * nmv, float * projMat, surface_t * obj,
+static void draw_object(float * nmv, float * projMat, surface_t * obj,
 		float ma, float mx, float my, float mz,
 		float tx, float ty, float tz, float s,
 		float ra, float rx, float ry, float rz) {