Prskalo signed his first professional contract with HNK Rijeka on 5 August 2005. During his first season at the club they won the 2006 Croatian Cup. Prskalo was the third choice goalkeeper and did not play a single match. During his next four seasons at the club he was loaned out to low tier clubs NK Rudar Labin, NK Pomorac Kostrena and NK Orijent Rijeka.
