diff --git a/main.py b/main.py
index 24efce8..c8e85ee 100644
--- a/main.py
+++ b/main.py
@@ -150,7 +150,7 @@ async def fastapi_dump_inp(network: str, inp: str) -> bool:
 @app.get("/runproject/", response_class = PlainTextResponse)
 async def fastapi_run_project(network: str) -> str:
     global isSimulation
-    if isSimulation:
+    if not isSimulation:
         result = run_project(network)
         isSimulation = False
         return result