diff --git a/m-funcobj.h b/m-funcobj.h
index 44611db7..be7df3a3 100644
--- a/m-funcobj.h
+++ b/m-funcobj.h
@@ -313,7 +313,7 @@
                                                                     )         \
                       )                                                       \
   {                                                                           \
-    struct M_C(name, _s) *self = (struct M_C(name, _s) *)_self;               \
+    struct M_C(name, _s) *self = (struct M_C(name, _s) *)(void*)_self;	      \
     (void) self; /* maybe unused */                                           \
     callback_core;                                                            \
   }                                                                           \
diff --git a/m-rbtree.h b/m-rbtree.h
index c90583e0..c567d18d 100644
--- a/m-rbtree.h
+++ b/m-rbtree.h
@@ -802,7 +802,7 @@ typedef enum {
     unsigned int cpt = 0;                                                     \
     node_t *n = tree->node;                                                   \
     which[0] = 0;                                                             \
-    tab[cpt++] = (node_t*) &tree->node; /* FIXME: To clean! */                \
+    tab[cpt++] = (node_t*)(void*) &tree->node; /* FIXME: To clean! */	      \
     /* Search for the deletion point */                                       \
     tab[cpt] = n;                                                             \
     while (n != NULL) {                                                       \