diff --git a/src/lib/classes/Building.ts b/src/lib/classes/Building.ts
index 122158f..cd55c9e 100644
--- a/src/lib/classes/Building.ts
+++ b/src/lib/classes/Building.ts
@@ -52,7 +52,7 @@ export default class Building {
         const playerResearch = this.manager.planet.manager.owner.research;
         let playerResearchCanBuild = { canBuild: true, missing: "" };
         for(const researchReq of this.data.requirements.research) {
-            if(playerResearch.research.find((research) => research.id === researchReq.id)?.level ?? 0 < researchReq.level) {
+            if((playerResearch.research.find((research) => research.id === researchReq.id)?.level ?? 0) < researchReq.level) {
                 playerResearchCanBuild = { canBuild: false, missing: `${researchReq.id} level ${researchReq.level} required, found ${playerResearch.research.find((research) => research.id === researchReq.id)?.level ?? 0}` };
             }
         };
diff --git a/src/pages/api/build/createBuilding.ts b/src/pages/api/build/createBuilding.ts
index 6dacf05..c3fdf48 100644
--- a/src/pages/api/build/createBuilding.ts
+++ b/src/pages/api/build/createBuilding.ts
@@ -67,7 +67,7 @@ export const POST: APIRoute = async({ request }) => {
             JSON.stringify({
                 code: 400,
                 message: "Bad Request",
-                error: requirements.error + " | " + resources ? "" : "Not enough resources"
+                error: `${requirements.error} | ${resources ? "" : "Not enough resources"}`
             }), { status: 400 }
         )
     }