In 1992, War in Bosnia started and Katana fled to Switzerland with Gordan Vidović and Mario Stanić and subsequently moved to Belgium. He played there for Genk (1992–1994), Gent (1994–1996) and Anderlecht (1996–1998). After a season with Turkish side Adanaspor, he returned to Belgium and played for Lokeren (1999–2004). He ended his career in 2004 after suffering from persistent knee injuries.