diff --git a/iguana/iguana_unspents.c b/iguana/iguana_unspents.c
index 59ac27f39..3aaa8dac8 100755
--- a/iguana/iguana_unspents.c
+++ b/iguana/iguana_unspents.c
@@ -1214,8 +1214,8 @@ int32_t iguana_balancegen(struct iguana_info *coin,int32_t incremental,struct ig
         fprintf(stderr,"BALANCEGEN.[%d] %p[%d] starti.%d s%d <-> endi.%d s%d startemit.%d\n",bp->hdrsi,Xspendinds,numXspends,starti,spendind,endi,B[endi].firstvin+B[endi].numvins,startemit);
     if ( starti == 0 && endi == bp->n-1 && ramchain->A != 0 && ramchain->Uextras != 0 )
     {
-        memset(ramchain->A,0,sizeof(*ramchain->A) * ramchain->H.data->numpkinds);
-        memset(ramchain->Uextras,0,sizeof(*ramchain->Uextras) * ramchain->H.data->numunspents);
+        iguana_volatilespurge(coin,ramchain);
+        iguana_volatilesalloc(coin,ramchain);
     }
     for (i=starti; i<=endi; i++)
     {