diff --git a/src/pinefarm/install.py b/src/pinefarm/install.py
index 47d5d23..fda3f2a 100644
--- a/src/pinefarm/install.py
+++ b/src/pinefarm/install.py
@@ -361,3 +361,9 @@ def prepend(name, value):
     prepend("PATH", configs.configs["paths"]["bin"])
     prepend("LD_LIBRARY_PATH", lib)
     prepend("PKG_CONFIG_PATH", lib / "pkgconfig")
+
+
+def nnlojet():
+    """Installation of NNLOJET."""
+    print("Installation not supported yet")
+    return True