diff --git a/meta-arm/meta-arm/lib/fvp/conffile.py b/meta-arm/meta-arm/lib/fvp/conffile.py
index acede40..603851d 100644
--- a/meta-arm/meta-arm/lib/fvp/conffile.py
+++ b/meta-arm/meta-arm/lib/fvp/conffile.py
@@ -51,6 +51,7 @@
     sanitise("terminals", {})
     sanitise("args", [])
     sanitise("consoles", {})
+    sanitise("env", {})
 
     if not config["exe"]:
         raise ValueError("Required value FVP_EXE not set in machine configuration")