diff --git a/src/lib-mem.c b/src/lib-mem.c
index 7e716ca..e0b58e6 100644
--- a/src/lib-mem.c
+++ b/src/lib-mem.c
@@ -110,6 +110,7 @@ static int64_t dummy_offset = 0;
 
 void _zz_mem_init(void)
 {
+    LOADSYM(free);
     LOADSYM(calloc);
     LOADSYM(malloc);
     LOADSYM(realloc);
@@ -156,7 +157,12 @@ void NEW(free)(void *ptr)
         debug("%s(%p)", __func__, ptr);
         return;
     }
-    LOADSYM(free);
+    if(!ORIG(free))
+    {
+        /* FIXME: memory leak */
+        debug("%s(%p) IGNORED", __func__, ptr);
+        return;
+    }
     ORIG(free)(ptr);
 }
 
diff --git a/src/libzzuf.c b/src/libzzuf.c
index 1b34f86..a870745 100644
--- a/src/libzzuf.c
+++ b/src/libzzuf.c
@@ -102,13 +102,13 @@ void _zz_init(void)
 {
     char *tmp, *tmp2;
 
-    /* We need this as soon as possible */
-    _zz_mem_init();
-
     tmp = getenv("ZZUF_DEBUG");
     if(tmp)
         _zz_debugfd = atoi(tmp);
 
+    /* We need this as soon as possible */
+    _zz_mem_init();
+
     tmp = getenv("ZZUF_SEED");
     if(tmp && *tmp)
         _zz_setseed(atol(tmp));