diff --git a/engine/runtime-parser/src/main/java/org/enso/compiler/core/ir/CallArgument.java b/engine/runtime-parser/src/main/java/org/enso/compiler/core/ir/CallArgument.java
index 9999bf772eb3..9b29f6fb3b14 100644
--- a/engine/runtime-parser/src/main/java/org/enso/compiler/core/ir/CallArgument.java
+++ b/engine/runtime-parser/src/main/java/org/enso/compiler/core/ir/CallArgument.java
@@ -51,7 +51,7 @@ public Specified(
         IdentifiedLocation identifiedLocation,
         MetadataStorage passData) {
       super(
-          DiagnosticStorage.createEmpty(),
+          null,
           passData,
           identifiedLocation,
           null,