diff --git a/templates/extensions/foundry/packages/foundry/script/generateTsAbis.js b/templates/extensions/foundry/packages/foundry/script/generateTsAbis.js
index dcea507f8..699c914cd 100644
--- a/templates/extensions/foundry/packages/foundry/script/generateTsAbis.js
+++ b/templates/extensions/foundry/packages/foundry/script/generateTsAbis.js
@@ -36,12 +36,14 @@ function getArtifactOfContract(contractName) {
 
 function getInheritedFromContracts(artifact) {
   let inheritedFromContracts = [];
-  for (const astNode of artifact.ast.nodes) {
-    if (astNode.nodeType == "ContractDefinition") {
-      if (astNode.baseContracts.length > 0) {
-        inheritedFromContracts = astNode.baseContracts.map(
-          ({ baseName }) => baseName.name
-        );
+  if (artifact?.ast) {
+    for (const astNode of artifact.ast.nodes) {
+      if (astNode.nodeType == "ContractDefinition") {
+        if (astNode.baseContracts.length > 0) {
+          inheritedFromContracts = astNode.baseContracts.map(
+            ({ baseName }) => baseName.name
+          );
+        }
       }
     }
   }