diff --git a/lib/protocol-validation/scripts/compileSchemas.ts b/lib/protocol-validation/scripts/compileSchemas.ts
index 0cb4d22c..028bf42f 100644
--- a/lib/protocol-validation/scripts/compileSchemas.ts
+++ b/lib/protocol-validation/scripts/compileSchemas.ts
@@ -23,11 +23,11 @@ const asVariableName = (schemaName: string) =>
   `version_${schemaName.replace(/\./g, '_')}`;
 
 const asIntName = (schemaVersion: string | number) => {
-  if (isNaN(parseInt(schemaVersion, 10))) {
+  if (isNaN(parseInt(schemaVersion as string, 10))) {
     throw Error('Schema version could not be converted to integer');
   }
 
-  return parseInt(schemaVersion, 10);
+  return parseInt(schemaVersion as string, 10);
 };
 
 // get schemas,
diff --git a/tsconfig.json b/tsconfig.json
index 520170b9..107888e5 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -48,6 +48,7 @@
     "env.tjs"
   ],
   "exclude": [
-    "node_modules"
+    "node_modules",
+    "lib/protocol-validation/**/*",
   ]
 }
\ No newline at end of file