diff --git a/src/mnist/main.c b/src/mnist/main.c
index 121c124..73d9bea 100644
--- a/src/mnist/main.c
+++ b/src/mnist/main.c
@@ -153,7 +153,8 @@ void recognize(char* modele, char* entree, char* sortie) {
             }
         }
     }
-    printf("}\n");
+    if (! strcmp(sortie, "json"))
+        printf("}\n");
 
 }