diff --git a/configure.ac b/configure.ac
index 17e3f4871..5b8ec3720 100644
--- a/configure.ac
+++ b/configure.ac
@@ -599,7 +599,7 @@ AC_ARG_ENABLE([stacksize],
 if test "$ENABLED_STACKSIZE" = "yes"
 then
     AC_CHECK_FUNC([posix_memalign], [], [AC_MSG_ERROR(stacksize needs posix_memalign)])
-    AC_CHECK_FUNC([pthread_attr_setstack], [], [AC_MSG_ERROR(stacksize needs pthread_attr_setstack)])
+    AC_CHECK_FUNC([pthread_attr_setstack], [], AC_CHECK_LIB([pthread],[pthread_attr_setstack]))
     AM_CFLAGS="$AM_CFLAGS -DHAVE_STACK_SIZE -DCYASSL_LOW_MEMORY"
 fi
 
diff --git a/cyassl/test.h b/cyassl/test.h
index f7259d092..4da2489c1 100644
--- a/cyassl/test.h
+++ b/cyassl/test.h
@@ -1206,7 +1206,7 @@ static INLINE void StackSizeCheck(func_args* args, thread_func tf)
     if (ret != 0) 
         err_sys("posix_memalign failed\n");        
 
-    memset(myStack, 0xee, stackSize);
+    memset(myStack, 0x01, stackSize);
 
     ret = pthread_attr_init(&myAttr);
     if (ret != 0)
@@ -1227,7 +1227,7 @@ static INLINE void StackSizeCheck(func_args* args, thread_func tf)
         err_sys("pthread_join failed");
 
     for (i = 0; i < stackSize; i++) {
-        if (myStack[i] != 0xee) {
+        if (myStack[i] != 0x01) {
             break;
         }
     }