diff --git a/cpp/ql/src/semmle/code/cpp/Macro.qll b/cpp/ql/src/semmle/code/cpp/Macro.qll
index 8bf7d1c073da..2c72dbe1cb95 100644
--- a/cpp/ql/src/semmle/code/cpp/Macro.qll
+++ b/cpp/ql/src/semmle/code/cpp/Macro.qll
@@ -178,7 +178,8 @@ class MacroInvocation extends MacroAccess {
    */
   Expr getExpr() {
     result = getAnExpandedElement() and
-    not (result.getParent() = getAnExpandedElement())
+    not (result.getParent() = getAnExpandedElement()) and
+    not result instanceof Conversion
   }
 
   /**
diff --git a/cpp/ql/test/library-tests/preprocessor/macroinvocations/getanaffectedelement.expected b/cpp/ql/test/library-tests/preprocessor/macroinvocations/getanaffectedelement.expected
index 5bbb82d243d1..70829497b76f 100644
--- a/cpp/ql/test/library-tests/preprocessor/macroinvocations/getanaffectedelement.expected
+++ b/cpp/ql/test/library-tests/preprocessor/macroinvocations/getanaffectedelement.expected
@@ -58,7 +58,7 @@
 | macroinvocations.cpp:123:10:123:19 | MACRO_EXPR | macroinvocations.cpp:123:10:123:19 | 2 | getAGeneratedElement() getAnAffectedElement() getAnExpandedElement() |
 | macroinvocations.cpp:123:10:123:19 | MACRO_EXPR | macroinvocations.cpp:123:10:123:19 | 3 | getAGeneratedElement() getAnAffectedElement() getAnExpandedElement() |
 | macroinvocations.cpp:123:10:123:19 | MACRO_EXPR | macroinvocations.cpp:123:10:123:19 | 4 | getAGeneratedElement() getAnAffectedElement() getAnExpandedElement() |
-| macroinvocations.cpp:123:10:123:19 | MACRO_EXPR | macroinvocations.cpp:123:10:123:19 | (...) | getAGeneratedElement() getAnAffectedElement() getAnExpandedElement() getExpr() |
-| macroinvocations.cpp:123:10:123:19 | MACRO_EXPR | macroinvocations.cpp:123:10:123:19 | (...) | getAGeneratedElement() getAnAffectedElement() getAnExpandedElement() getExpr() |
+| macroinvocations.cpp:123:10:123:19 | MACRO_EXPR | macroinvocations.cpp:123:10:123:19 | (...) | getAGeneratedElement() getAnAffectedElement() getAnExpandedElement() |
+| macroinvocations.cpp:123:10:123:19 | MACRO_EXPR | macroinvocations.cpp:123:10:123:19 | (...) | getAGeneratedElement() getAnAffectedElement() getAnExpandedElement() |
 | macroinvocations.cpp:123:10:123:19 | MACRO_EXPR | macroinvocations.cpp:123:10:123:19 | ... * ... | getAGeneratedElement() getAnAffectedElement() getAnExpandedElement() getExpr() |
 | macroinvocations.cpp:123:10:123:19 | MACRO_EXPR | macroinvocations.cpp:123:10:123:19 | ... + ... | getAGeneratedElement() getAnAffectedElement() getAnExpandedElement() |