diff --git a/src/twtest/crytpo_t.cpp b/src/twtest/crytpo_t.cpp
index 5d83447..d3a0be2 100644
--- a/src/twtest/crytpo_t.cpp
+++ b/src/twtest/crytpo_t.cpp
@@ -44,9 +44,13 @@ void TestCrypto()
 
     const int BUFSIZE = 9000;
 
-    char source[BUFSIZE];
-    char crypt[COUNT + BUFSIZE];  // needs to be able to hold even number of blocks
-    char dest[COUNT];
+    std::vector<char> source_buf(BUFSIZE);
+    std::vector<char> crypt_buf(COUNT + BUFSIZE);  // needs to be able to hold even number of blocks
+    std::vector<char> dest_buf(COUNT);
+
+    char* source = &source_buf[0];
+    char* crypt = &crypt_buf[0];
+    char* dest = &dest_buf[0];
 
     memcpy(source, "I love the smell of the sheep.", 31);
 
diff --git a/src/twtest/fcosetimpl_t.cpp b/src/twtest/fcosetimpl_t.cpp
index 1cfc034..153e0d0 100644
--- a/src/twtest/fcosetimpl_t.cpp
+++ b/src/twtest/fcosetimpl_t.cpp
@@ -75,10 +75,12 @@ void TestFCOSetImpl()
     pFCO3->Release();
 
     // let's iterate over the fcos
-    cIterProxy<iFCOIter> pit(set.GetIter());
+    iFCOIter* pIter = set.GetIter();
+    cIterProxy<iFCOIter> pit(pIter);
     pit->SeekBegin();
     PrintIter(pit, d);
 
+
     // lookup a specific fco
     cIterProxy<iFCOIter> pit2(set.Lookup(cFCOName(_T("fco2"))));
     if(! (iFCOIter*)pit2)
@@ -113,10 +115,14 @@ void TestFCOSetImpl()
     // test operator=
     cFCOSetImpl set2;
     set2 = set;
-    pit = set2.GetIter();
+
+    pIter->DestroyIter();
+    pIter = set2.GetIter();
+    pit = pIter;
     d.TraceDebug("Made a new set and set it equal to the first with operator=; printing out...\n");
     PrintIter(pit, d);
 
+
     // test IsEmpty
     set.Clear();
     TEST(set.IsEmpty());
@@ -142,6 +148,7 @@ void TestFCOSetImpl()
     pit = set3.GetIter();
     PrintIter(pit, d);
 
+    pIter->DestroyIter();
 
     d.TraceDebug("Leaving...\n");
     return;