diff --git a/boutons.c b/boutons.c
index 49f68262..3f9f9c04 100644
--- a/boutons.c
+++ b/boutons.c
@@ -4910,9 +4910,9 @@ void Bouton_Spray_Menu(void)
         Readline(196,39,Chaine,2,1);
         Spray_Delay=atoi(Chaine);
         // On corrige le delai
-        if (Spray_Delay>10)
+        if (Spray_Delay>99)
         {
-          Spray_Delay=10;
+          Spray_Delay=99;
           Num2str(Spray_Delay,Chaine,2);
           Fenetre_Contenu_bouton_saisie(Saisie_Delay,Chaine);
         }
diff --git a/graph.c b/graph.c
index e3b56048..4591c135 100644
--- a/graph.c
+++ b/graph.c
@@ -1534,9 +1534,6 @@ void Aerographe(short Bouton_clicke)
   }
 
   Afficher_curseur();
-
-  for (Count=1; Count<=Spray_Delay; Count++)
-    Wait_VBL();
 }
 
 
diff --git a/operatio.c b/operatio.c
index 35845745..fdeb0f44 100644
--- a/operatio.c
+++ b/operatio.c
@@ -2007,7 +2007,7 @@ void Courbe_3_points_12_11(void)
 
 ///////////////////////////////////////////////////////////// OPERATION_SPRAY
 
-
+Uint32 Spray_next_time;
 void Spray_1_0(void)
 //
 //  Opération   : OPERATION_SPRAY
@@ -2020,6 +2020,8 @@ void Spray_1_0(void)
   Initialiser_debut_operation();
   Backup();
   Shade_Table=Shade_Table_gauche;
+
+  Spray_next_time = SDL_GetTicks()+Spray_Delay*10;
   Aerographe(A_GAUCHE);
 
   Operation_PUSH(Pinceau_X);
@@ -2039,6 +2041,7 @@ void Spray_2_0(void)
   Initialiser_debut_operation();
   Backup();
   Shade_Table=Shade_Table_droite;
+  Spray_next_time = SDL_GetTicks()+Spray_Delay*10;
   Aerographe(A_DROITE);
 
   Operation_PUSH(Pinceau_X);
@@ -2069,7 +2072,11 @@ void Spray_12_3(void)
     Afficher_curseur();
   }
 
-  Aerographe(Bouton_clicke);
+  if (SDL_GetTicks()>Spray_next_time)
+  {
+    Spray_next_time+=Spray_Delay*10;
+    Aerographe(Bouton_clicke);
+  }
 
   Operation_PUSH(Pinceau_X);
   Operation_PUSH(Pinceau_Y);