Alan Pardew is confident Crystal Palace will end their current poor run of form ahead of a "big fixture" at Burnley on Saturday.
The Eagles head to Turf Moor having been beaten in their last three fixtures - against West Ham, Leicester and Liverpool.
Palace have also failed to keep a clean sheet in the league so far this season, and Pardew is keen to shore up his leaky defence.
"Sometimes the Premier League fixture list makes if difficult," he said. "Leicester won the league, then we had Liverpool at home.