diff --git a/server/MMVCServerSIO.py b/server/MMVCServerSIO.py
index 58807808..8b1ba0a9 100755
--- a/server/MMVCServerSIO.py
+++ b/server/MMVCServerSIO.py
@@ -80,7 +80,7 @@ if __name__ == thisFilename or args.colab == True:
 
 
     if args.colab == True:
-        os.environ["colab"] = True
+        os.environ["colab"] = "True"
     # if os.getenv("EX_TB_PORT"):
     #     EX_TB_PORT = os.environ["EX_TB_PORT"]
     #     exApplitionInfo.external_tensorboard_port = int(EX_TB_PORT)