diff --git a/c/common/src/codingstandards/c/Pointers.qll b/c/common/src/codingstandards/c/Pointers.qll
index 87ade425e1..3d216e009a 100644
--- a/c/common/src/codingstandards/c/Pointers.qll
+++ b/c/common/src/codingstandards/c/Pointers.qll
@@ -9,7 +9,7 @@ import codingstandards.cpp.Type
  * A null pointer constant, which is either in the form `NULL` or `(void *)0`.
  */
 predicate isNullPointerConstant(Expr e) {
-  e.findRootCause() instanceof NULLMacro
+  e.findRootCause() instanceof NullMacro
   or
   exists(CStyleCast c |
     not c.isImplicit() and
diff --git a/cpp/common/src/codingstandards/cpp/enhancements/MacroEnhacements.qll b/cpp/common/src/codingstandards/cpp/enhancements/MacroEnhacements.qll
index ba132f5892..be79397929 100644
--- a/cpp/common/src/codingstandards/cpp/enhancements/MacroEnhacements.qll
+++ b/cpp/common/src/codingstandards/cpp/enhancements/MacroEnhacements.qll
@@ -29,7 +29,7 @@ module MacroEnhancements {
   /** A use of the NULL macro. */
   class NULL extends StandardLibrary::Literal {
     NULL() {
-      exists(StandardLibrary::NULLMacro nm | this = nm.getAnInvocation().getAnExpandedElement())
+      exists(StandardLibrary::NullMacro nm | this = nm.getAnInvocation().getAnExpandedElement())
     }
   }
 }