diff --git a/legacy/eina/src/include/eina_inline_mempool.x b/legacy/eina/src/include/eina_inline_mempool.x
index 72e70fe131..e9f20b550b 100644
--- a/legacy/eina/src/include/eina_inline_mempool.x
+++ b/legacy/eina/src/include/eina_inline_mempool.x
@@ -26,6 +26,9 @@
  */
 
 /* Memory Pool */
+typedef struct _Eina_Mempool_Backend_ABI1 Eina_Mempool_Backend_ABI1;
+typedef struct _Eina_Mempool_Backend_ABI2 Eina_Mempool_Backend_ABI2;
+
 struct _Eina_Mempool_Backend
 {
    const char *name;
@@ -39,10 +42,28 @@ struct _Eina_Mempool_Backend
    void (*repack)(void *data, Eina_Mempool_Repack_Cb cb, void *cb_data);
 };
 
+struct _Eina_Mempool_Backend_ABI1
+{
+   const char *name;
+   void *(*init)(const char *context, const char *options, va_list args);
+   void (*free)(void *data, void *element);
+   void *(*alloc)(void *data, unsigned int size);
+   void *(*realloc)(void *data, void *element, unsigned int size);
+   void (*garbage_collect)(void *data);
+   void (*statistics)(void *data);
+   void (*shutdown)(void *data);
+};
+
+struct _Eina_Mempool_Backend_ABI2
+{
+   void (*repack)(void *data, Eina_Mempool_Repack_Cb cb, void *cb_data);
+};
+
 struct _Eina_Mempool
 {
-   Eina_Mempool_Backend backend;
+   Eina_Mempool_Backend_ABI1 backend;
    void *backend_data;
+   Eina_Mempool_Backend_ABI2 backend2;
 };
 
 /**
diff --git a/legacy/eina/src/lib/eina_mempool.c b/legacy/eina/src/lib/eina_mempool.c
index ddeabca6b4..32a6831651 100644
--- a/legacy/eina/src/lib/eina_mempool.c
+++ b/legacy/eina/src/lib/eina_mempool.c
@@ -80,8 +80,19 @@ _new_va(const char *name,
    if (!mp)
       goto on_error;
 
-   /* FIXME why backend is not a pointer? */
-   mp->backend = *be;
+   /* Work around ABI incompability introduced in Eina 1.1 */
+#define SBP(Property) mp->backend.Property = be->Property;
+   SBP(name);
+   SBP(init);
+   SBP(free);
+   SBP(alloc);
+   SBP(realloc);
+   SBP(garbage_collect);
+   SBP(statistics);
+   SBP(shutdown);
+#undef SBP
+   mp->backend2.repack = be->repack;
+   
    mp->backend_data = mp->backend.init(context, options, args);
 
    return mp;
@@ -324,7 +335,7 @@ EAPI void eina_mempool_repack(Eina_Mempool *mp, Eina_Mempool_Repack_Cb cb, void
    EINA_SAFETY_ON_NULL_RETURN(mp);
    EINA_SAFETY_ON_NULL_RETURN(mp->backend.shutdown);
    DBG("mp=%p", mp);
-   mp->backend.repack(mp->backend_data, cb, data);
+   mp->backend2.repack(mp->backend_data, cb, data);
 }
 
 EAPI void eina_mempool_gc(Eina_Mempool *mp)