diff --git a/cli/app/config.go b/cli/app/config.go
index 87c22137..1921fe6e 100644
--- a/cli/app/config.go
+++ b/cli/app/config.go
@@ -22,6 +22,15 @@ var appConfigCommand = &cli.Command{
 			internal.ShowSubcommandHelpAndError(c, errors.New("no app name provided"))
 		}
 
+		appFiles, err := config.LoadAppFiles("")
+		if err != nil {
+			logrus.Fatal(err)
+		}
+
+		if _, ok := appFiles[appName]; !ok {
+			logrus.Fatalf("'%s' doesn't exist?", appName)
+		}
+
 		ed, ok := os.LookupEnv("EDITOR")
 		if !ok {
 			edPrompt := &survey.Select{
@@ -33,11 +42,6 @@ var appConfigCommand = &cli.Command{
 			}
 		}
 
-		appFiles, err := config.LoadAppFiles("")
-		if err != nil {
-			logrus.Fatal(err)
-		}
-
 		cmd := exec.Command(ed, appFiles[appName].Path)
 		cmd.Stdin = os.Stdin
 		cmd.Stdout = os.Stdout