diff --git a/lib/core/libimagrt/src/runtime.rs b/lib/core/libimagrt/src/runtime.rs
index 7fe0a959..1e29f96d 100644
--- a/lib/core/libimagrt/src/runtime.rs
+++ b/lib/core/libimagrt/src/runtime.rs
@@ -467,11 +467,17 @@ impl<'a> Runtime<'a> {
             })
             .or(env::var("EDITOR").ok())
             .map(|s| {debug!("Editing with '{}'", s); s})
-            .map(|s| {
-                let mut c = Command::new(s);
-                c.stdin(::std::process::Stdio::inherit());
+            .and_then(|s| {
+                let mut split = s.split(" ");
+                let command   = split.next();
+                if command.is_none() {
+                    return None
+                }
+                let mut c = Command::new(command.unwrap()); // secured above
+                c.args(split);
+                c.stdin(::std::process::Stdio::null());
                 c.stderr(::std::process::Stdio::inherit());
-                c
+                Some(c)
             })
     }