diff --git a/src/dhcp.c b/src/dhcp.c
index 89e601d..a3f7405 100755
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -443,7 +443,7 @@ ProcessDHCP (TapAdapterPointer p_Adapter,
     p_Adapter->m_dhcp_received_discover = TRUE;
 
   // Is this a bad DHCPREQUEST?
-  if (msg_type == DHCPREQUEST && dhcp->ciaddr != p_Adapter->m_dhcp_addr)
+  if (msg_type == DHCPREQUEST && dhcp->ciaddr && dhcp->ciaddr != p_Adapter->m_dhcp_addr)
     ++p_Adapter->m_dhcp_bad_requests;
 
   return TRUE;
diff --git a/version.m4 b/version.m4
index 4ac0561..242b8e0 100644
--- a/version.m4
+++ b/version.m4
@@ -1,6 +1,6 @@
 dnl define the TAP version
 define([PRODUCT_NAME], [TAP-Windows])
-define([PRODUCT_VERSION], [9.9.1])
+define([PRODUCT_VERSION], [9.9.2])
 define([PRODUCT_VERSION_RESOURCE], [9,0,0,9])
 define([PRODUCT_TAP_WIN_COMPONENT_ID], [tap0901])
 define([PRODUCT_TAP_WIN_MAJOR], [9])