diff --git a/libide/tree/ide-tree.h b/libide/tree/ide-tree.h
index 0b4c16b..c829df3 100644
--- a/libide/tree/ide-tree.h
+++ b/libide/tree/ide-tree.h
@@ -21,7 +21,7 @@
 #pragma once
 
 #include <gtk/gtk.h>
-#include <libide-core.h>
+#include </home/jean/Gem-Graph/gem-graph-client/libide/core/libide-core.h>
 
 #include "ide-tree-node.h"
 
diff --git a/src/ui/tree.c b/src/ui/tree.c
index 2b2e03f..8a387a1 100644
--- a/src/ui/tree.c
+++ b/src/ui/tree.c
@@ -27,12 +27,14 @@
 
 #include "../../include/base.h"
 #include "../../include/ui.h"
-//#include "../../libide/tree/libide-tree.h"
+//#include "/home/jean/Gem-Graph/gem-graph-client/libide/tree/libide-tree.h"
 
 void Hello(void)
 {
-    printf("Hello tree !    >>    (line 30)   #include ../../libide/tree/libide-tree.h\n\
-                >>    fatal error: libide-core.h: No such file or directory\n");
+    printf("src/ui/tree.c (line 30)    >>    #include ../../libide/tree/libide-tree.h    >>    fatal error: libide-core.h: No such file or directory\n\
+    modifié :              >>    #include /home/jean/Gem-Graph/gem-graph-client/libide/tree/libide-tree.h;    >>    fatal error: ide-version.h\n\
+    modifié :              >>    libide/core/ide-version-macro (ligne 25) #include ide-version.h    >>    fatal error: ide-version.h\n\
+    modifié :              >>    il y a un fichier :  /home/jean/Gem-Graph/gem-graph-client/libide/core/ide-version.h.in  <<  qui ne passe pas\n");
     return NULL;
 }