diff --git a/imag-tag/src/main.rs b/imag-tag/src/main.rs
index e45479b3..9b04b7de 100644
--- a/imag-tag/src/main.rs
+++ b/imag-tag/src/main.rs
@@ -122,15 +122,7 @@ fn list(id: &str, rt: &Runtime) {
     let sepp_out = scmd.is_present("sep");
     let mut comm_out = scmd.is_present("commasep");
 
-    let flags = vec![json_out, line_out, comm_out, sepp_out];
-
-    if flags.iter().filter(|x| **x).count() > 1 {
-        // More than one flag passed
-        info!("Cannot do more than one thing");
-        exit(1);
-    }
-
-    if !flags.iter().any(|v| *v) {
+    if !vec![json_out, line_out, comm_out, sepp_out].iter().any(|v| *v) {
         // None of the flags passed, go to default
         comm_out = true;
     }
diff --git a/imag-tag/src/ui.rs b/imag-tag/src/ui.rs
index 6c90774b..4f78bf1f 100644
--- a/imag-tag/src/ui.rs
+++ b/imag-tag/src/ui.rs
@@ -1,4 +1,4 @@
-use clap::{Arg, App, SubCommand};
+use clap::{Arg, App, ArgGroup, SubCommand};
 
 pub fn build_ui<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
     app.arg(Arg::with_name("id")
@@ -59,6 +59,15 @@ pub fn build_ui<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
                         .takes_value(true)
                         .required(false)
                         .help("Seperated by string"))
+
+                   .group(ArgGroup::with_name("list-group")
+                          .args(&[
+                                "json",
+                                "linewise",
+                                "commasep",
+                                "sep",
+                          ])
+                          .required(true))
                    )
 
 }