diff --git a/src/font.c b/src/font.c
index becb885..9bfd191 100644
--- a/src/font.c
+++ b/src/font.c
@@ -21,14 +21,14 @@ int writeText(GLuint *_textTexId, TTF_Font *font, char *text, SDL_Color color) {
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 
   SDL_Surface *d, *s;
-  if ((d = TTF_RenderUTF8_Blended_Wrapped(font, text, color, 0)) == NULL) {
+  if (!(d = TTF_RenderUTF8_Blended_Wrapped(font, text, color, 0))) {
     freeFont(font);
     fprintf(stderr, "Erreur TTF : TTF_RenderUTF8_Blended_Wrapped\n");
     return 1;
   }
 
-  if ((s = SDL_CreateRGBSurface(0, d->w, d->h, 32, R_MASK, G_MASK, B_MASK,
-                                A_MASK))) {
+  if (!(s = SDL_CreateRGBSurface(0, d->w, d->h, 32, R_MASK, G_MASK, B_MASK,
+                                 A_MASK))) {
     freeFont(font);
     fprintf(stderr, "Erreur SDL : %s\n", SDL_GetError());
     return 2;