diff --git a/src/main/ipc/validation-handler.ts b/src/main/ipc/validation-handler.ts
index 81850f0..271d2ff 100644
--- a/src/main/ipc/validation-handler.ts
+++ b/src/main/ipc/validation-handler.ts
@@ -340,7 +340,7 @@ export function registerValidationHandlers(): void {
             for (const typeKeyword of typeKeywords) {
               if (
                 typeKeyword.materialName &&
-                typeKeyword.materialName.includes(materialName)
+                materialName.includes(typeKeyword.materialName)
               ) {
                 matchedTypeKeyword = typeKeyword.materialName
                 managerName = typeKeyword.managerName