diff -up ./mozilla/security/nss/lib/pk11wrap/pk11pars.c.jss ./mozilla/security/nss/lib/pk11wrap/pk11pars.c
--- ./mozilla/security/nss/lib/pk11wrap/pk11pars.c.jss	2011-02-11 07:45:38.324083242 -0800
+++ ./mozilla/security/nss/lib/pk11wrap/pk11pars.c	2011-02-11 07:48:14.514166538 -0800
@@ -258,6 +258,19 @@ secmod_IsInternalKeySlot(SECMODModule *m
    return (flags & SECMOD_FLAG_INTERNAL_KEY_SLOT) ? PR_TRUE : PR_FALSE;
 }
 
+void
+secmod_SetInternalKeySlotFlag(SECMODModule *mod, PRBool val)
+{
+   char flags = (char) mod->internal;
+
+   if (val)  {
+	flags |= SECMOD_FLAG_INTERNAL_KEY_SLOT;
+   } else {
+	flags &= ~SECMOD_FLAG_INTERNAL_KEY_SLOT;
+   }
+   mod->internal = flags;
+}
+
 /* forward declarations */
 static int secmod_escapeSize(const char *string, char quote);
 static char *secmod_addEscape(const char *string, char quote);
diff -up ./mozilla/security/nss/lib/pk11wrap/pk11priv.h.jss ./mozilla/security/nss/lib/pk11wrap/pk11priv.h
--- ./mozilla/security/nss/lib/pk11wrap/pk11priv.h.jss	2011-02-11 07:47:45.037226877 -0800
+++ ./mozilla/security/nss/lib/pk11wrap/pk11priv.h	2011-02-11 07:48:28.854164207 -0800
@@ -115,6 +115,7 @@ void PK11_InitSlot(SECMODModule *mod,CK_
 PRBool PK11_NeedPWInitForSlot(PK11SlotInfo *slot);
 SECStatus PK11_ReadSlotCerts(PK11SlotInfo *slot);
 void pk11_SetInternalKeySlot(PK11SlotInfo *slot);
+PK11SlotInfo *pk11_SwapInternalKeySlot(PK11SlotInfo *slot);
 void pk11_SetInternalKeySlotIfFirst(PK11SlotInfo *slot);
 
 /*********************************************************************
diff -up ./mozilla/security/nss/lib/pk11wrap/pk11slot.c.jss ./mozilla/security/nss/lib/pk11wrap/pk11slot.c
--- ./mozilla/security/nss/lib/pk11wrap/pk11slot.c.jss	2011-02-11 07:41:11.258746774 -0800
+++ ./mozilla/security/nss/lib/pk11wrap/pk11slot.c	2011-02-11 07:48:51.291595867 -0800
@@ -1755,6 +1755,18 @@ pk11_SetInternalKeySlotIfFirst(PK11SlotI
    pk11InternalKeySlot = slot ? PK11_ReferenceSlot(slot) : NULL;
 }
 
+/*
+ * Swap out a default internal keyslot.  Caller owns the Slot Reference
+ */
+PK11SlotInfo *
+pk11_SwapInternalKeySlot(PK11SlotInfo *slot)
+{
+   PK11SlotInfo *swap = pk11InternalKeySlot;
+
+   pk11InternalKeySlot = slot ? PK11_ReferenceSlot(slot) : NULL;
+   return swap;
+}
+
 
 /* get the internal key slot. FIPS has only one slot for both key slots and
  * default slots */
diff -up ./mozilla/security/nss/lib/pk11wrap/pk11util.c.jss ./mozilla/security/nss/lib/pk11wrap/pk11util.c
--- ./mozilla/security/nss/lib/pk11wrap/pk11util.c.jss	2011-02-11 07:40:23.748066635 -0800
+++ ./mozilla/security/nss/lib/pk11wrap/pk11util.c	2011-02-11 07:49:19.674611909 -0800
@@ -483,13 +483,25 @@ SECMOD_DeleteInternalModule(const char *
 				NULL, SECMOD_FIPS_FLAGS);
 	}
 	if (newModule) {
+	    PK11SlotInfo *slot;
 	    newModule->libraryParams = 
 	     PORT_ArenaStrdup(newModule->arena,mlp->module->libraryParams);
+	    /* if an explicit internal key slot has been set, reset it */
+	    slot = pk11_SwapInternalKeySlot(NULL);
+	    if (slot) {
+		secmod_SetInternalKeySlotFlag(newModule, PR_TRUE);
+	    }
 	    rv = SECMOD_AddModule(newModule);
 	    if (rv != SECSuccess) {
+		/* load failed, restore the internal key slot */
+		pk11_SetInternalKeySlot(slot);
 		SECMOD_DestroyModule(newModule);
 		newModule = NULL;
 	    }
+	    /* free the old explicit internal key slot, we now have a new one */
+	    if (slot) {
+		PK11_FreeSlot(slot);
+	    }
 	}
 	if (newModule == NULL) {
 	    SECMODModuleList *last = NULL,*mlp2;
diff -up ./mozilla/security/nss/lib/pk11wrap/secmodi.h.jss ./mozilla/security/nss/lib/pk11wrap/secmodi.h
--- ./mozilla/security/nss/lib/pk11wrap/secmodi.h.jss	2011-02-11 07:39:04.685590962 -0800
+++ ./mozilla/security/nss/lib/pk11wrap/secmodi.h	2011-02-11 07:49:28.120021571 -0800
@@ -90,6 +90,8 @@ SECStatus secmod_LoadPKCS11Module(SECMOD
 SECStatus SECMOD_UnloadModule(SECMODModule *);
 void SECMOD_SetInternalModule(SECMODModule *);
 PRBool secmod_IsInternalKeySlot(SECMODModule *);
+void secmod_SetInternalKeySlotFlag(SECMODModule *mod, PRBool val);
+
 
 /* tools for checking if we are loading the same database twice */
 typedef struct SECMODConfigListStr SECMODConfigList;