diff --git a/opal/runtime/opal_finalize.c b/opal/runtime/opal_finalize.c
index 2563469ca6..9dd43ca263 100644
--- a/opal/runtime/opal_finalize.c
+++ b/opal/runtime/opal_finalize.c
@@ -25,6 +25,7 @@
 #include "opal/mca/base/base.h"
 #include "opal/runtime/opal.h"
 #include "orte/include/orte_constants.h"
+#include "opal/mca/memory/base/base.h"
 
 /**
  * Finalize the OPAL utilities
@@ -37,6 +38,13 @@
 int opal_finalize(void)
 {
 
+    /* close the memory manager components.  Registered hooks can
+       still be fired any time between now and the call to
+       opal_mem_free_finalize(), and callbacks from the memory manager
+       hooks to the bowels of the mem_free code can still occur any
+       time between now and end of application (even post main()!) */
+    opal_memory_base_close();
+
     /* finalize the mca */
     mca_base_close();
 
diff --git a/opal/runtime/opal_init.c b/opal/runtime/opal_init.c
index 3b69a9f534..f1267def5d 100644
--- a/opal/runtime/opal_init.c
+++ b/opal/runtime/opal_init.c
@@ -24,6 +24,7 @@
 #include "opal/memory/memory.h"
 #include "opal/mca/base/base.h"
 #include "opal/runtime/opal.h"
+#include "opal/mca/memory/base/base.h"
 
 /**
  * Initialize the OPAL utilities
@@ -47,6 +48,12 @@ int opal_init(void)
     /* initialize the mca */
     mca_base_open();
 
+    /* open the memory manager components.  Memory hooks may be
+       triggered before this (any time after mem_free_init(),
+       actually).  This is a hook available for memory manager hooks
+       without good initialization routine support */
+    opal_memory_base_open();
+
     return ORTE_SUCCESS;
 }