The English language learners might have problems in the pronunciation of English vowel sounds. It is
assumed that the sound system of the mother tongue, in this case Javanese has, to some extent, affected the
pronunciation of English sounds. For example, the word ‘English’ that should be pronounced /IŋlIʃ/ is
pronounced /ɛŋlIʃ/, and the word ‘name’ that should be pronounced /neim/ is pronounced /nɛim / or /nɛm
/. Due to this phenomenon, this paper will discuss the problems of pronunciation of English vowels
produced by learners whose mother tongue is Javanese or Indonesian. The participants of study are students
of non- English Program. Based on the observation and in-depth interviews with the participants it shows
that the mispronunciation the English words is caused by the inadequate process of learning English and
the influence of the sound system of Javanese as the mother tongue in the process of learning
