diff --git a/src/sprite.cc b/src/sprite.cc

index b00d31a..7971c70 100644

--- a/src/sprite.cc

+++ b/src/sprite.cc

@@ -352,7 +352,7 @@ bool Sprite::Load(unsigned char *Buf,long &P)

     // Fabrique la surface

     Image[i]=SDL_CreateRGBSurface((Dim[i].bpp-3)*SDL_SRCALPHA,Dim[i].L,Dim[i].H,Dim[i].bpp*8,

 				  0xff,0xff00,0xff0000,0xff000000*(Dim[i].bpp-3));

-    if(Image[i]<=NULL) {

+    if(Image[i]==NULL) {

       cerr <<"Impossible de crИer une Surface SDL!"<<endl;

       return false;

     }

@@ -486,7 +486,7 @@ bool Sprite::Nouveau(int Lx,int Ly)

   // Fabrique la surface

   Image[0]=SDL_CreateRGBSurface((Dim[0].bpp-3)*SDL_SRCALPHA,Dim[0].L,Dim[0].H,Dim[0].bpp*8,

 				0xff,0xff00,0xff0000,0xff000000*(Dim[0].bpp-3));

-  if(Image[0]<=NULL) {

+  if(Image[0]==NULL) {

     cerr <<"Impossible de crИer une Surface SDL!"<<endl;

     return false;

   }

diff --git a/src/tableau.cc b/src/tableau.cc

index b125a88..0116da1 100644

--- a/src/tableau.cc

+++ b/src/tableau.cc

@@ -88,7 +88,7 @@ bool Tableau::Save(void)

   // Alloue la mИmoire

   Buf=new unsigned char [sizeof(s_Tableau)*N+sizeof(int)+1];

-  if(Buf<=0) return false;

+  if(Buf==0) return false;

   // Charge les tableaux

   Buf[0]=N/256;