diff --git a/java/ql/lib/semmle/code/java/controlflow/Guards.qll b/java/ql/lib/semmle/code/java/controlflow/Guards.qll
index 18014c52f2ef..8cead5b666bb 100644
--- a/java/ql/lib/semmle/code/java/controlflow/Guards.qll
+++ b/java/ql/lib/semmle/code/java/controlflow/Guards.qll
@@ -440,6 +440,7 @@ private module CustomGuardInput implements Guards_v2::CustomGuardInputSig {
   }
 
   /** Holds if arguments at position `apos` match parameters at position `ppos`. */
+  overlay[caller?]
   pragma[inline]
   predicate parameterMatch(ParameterPosition ppos, ArgumentPosition apos) { ppos = apos }