Uncaught TypeError when populating exercise filter with no exercises

Visiting /workouts.html and /highscores.html when there is no exercises registered, results in

Uncaught (in promise) TypeError: Cannot read property 'name' of undefined
    at populateExerciseTypesDropdown (workouts.js:85)

and

Uncaught (in promise) TypeError: Cannot read property 'name' of undefined
    at populateExerciseTypesDropdown (highscores.js:64)