diff --git a/packages/core/src/utils/make-namespaced.test.ts.md b/packages/core/src/utils/make-namespaced.test.ts.md
index 321a04302..926e3b73f 100644
--- a/packages/core/src/utils/make-namespaced.test.ts.md
+++ b/packages/core/src/utils/make-namespaced.test.ts.md
@@ -209,7 +209,7 @@ Generated by [AVA](https://avajs.dev).
           }␊
           ␊
           contract UsesAddress {␊
-            enum $astId_id_random { dummy }␊
+            IDummy public constant MY_CONTRACT = IDummy(MY_ADDRESS);␊
           }␊
           ␊
           contract HasFunctionWithRequiredReturn {␊
diff --git a/packages/core/src/utils/make-namespaced.test.ts.snap b/packages/core/src/utils/make-namespaced.test.ts.snap
index 186d7df26..c805dc2f1 100644
Binary files a/packages/core/src/utils/make-namespaced.test.ts.snap and b/packages/core/src/utils/make-namespaced.test.ts.snap differ
diff --git a/packages/core/src/utils/make-namespaced.ts b/packages/core/src/utils/make-namespaced.ts
index 5d039ac82..009d10434 100644
--- a/packages/core/src/utils/make-namespaced.ts
+++ b/packages/core/src/utils/make-namespaced.ts
@@ -67,7 +67,7 @@ export function makeNamespacedInput(input: SolcInput, output: SolcOutput): SolcI
               }
               case 'VariableDeclaration': {
                 // If variable is a constant, keep it since it may be referenced in a struct
-                if (isConstant(contractNode)) {
+                if (contractNode.constant) {
                   break;
                 }
                 // Otherwise, fall through to convert to dummy enum
@@ -115,7 +115,7 @@ export function makeNamespacedInput(input: SolcInput, output: SolcOutput): SolcI
         //   We do this by converting them to dummy enums, but avoiding duplicate names.
         case 'VariableDeclaration': {
           // If variable is a constant, keep it since it may be referenced in a struct
-          if (isConstant(node)) {
+          if (node.constant) {
             break;
           }
           // Otherwise, fall through to convert to dummy enum
@@ -163,10 +163,6 @@ interface Modification {
   text?: string;
 }
 
-function isConstant(contractNode: VariableDeclaration) {
-  return contractNode.constant && contractNode.typeName?.nodeType === 'ElementaryTypeName';
-}
-
 function toDummyEnumWithName(name: string) {
   return `enum ${name} { dummy }`;
 }