diff --git a/lib/Checker/GRExprEngine.cpp b/lib/Checker/GRExprEngine.cpp
index 1669a35..73b5bf8 100644
--- a/lib/Checker/GRExprEngine.cpp
+++ b/lib/Checker/GRExprEngine.cpp
@@ -2518,6 +2518,7 @@
   case CK_BitCast:
   case CK_LValueBitCast:
   case CK_IntegralCast:
+  case CK_NullToPointer:
   case CK_IntegralToPointer:
   case CK_PointerToIntegral:
   case CK_IntegralToFloating: