diff --git a/binder/postBuild b/binder/postBuild
index dd94e27..7a7ad41 100755
--- a/binder/postBuild
+++ b/binder/postBuild
@@ -6,7 +6,7 @@ python -m bash_kernel.install
 
 # Install go-task https://github.com/go-task/task
 wget -q https://github.com/go-task/task/releases/download/v3.10.0/task_linux_amd64.tar.gz
-tar -xzf task_linux_amd64.tar.gz
+tar -xzf task_linux_amd64.tar.gz task
 rm task_linux_amd64.tar.gz
 mkdir -p $HOME/.local/bin
 mv task $HOME/.local/bin/