Aslan has been forced to pull out of a gig this weekend due to lead singer Christy Dignam being advised against performing on medical grounds.
The band were due to perform at the Ballykeeffe Amphitheatre in Kilkenny to a sold-out audience.
The gig has now been rescheduled to August 5.
The Crazy World singer, 62, has been battling ill health since being diagnosed with amyloidosis, a rare blood disorder cancer, in 2013.
Venue spokesperson Martina Brennan wished him well, adding: “I know he wouldn’t be cancelling unless he really had to.”
The band are gearing up to play Dublin’s 3Arena on September 17 to celebrate their 40th anniversary.
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