1 files changed, 1 insertions, 1 deletions

diff --git a/uisimulator/common/lcd-playersim.c b/uisimulator/common/lcd-playersim.c
index ed633b849f..3f3453b9a1 100644
--- a/uisimulator/common/lcd-playersim.c
+++ b/uisimulator/common/lcd-playersim.c
@@ -222,7 +222,7 @@ void lcd_double_height(bool on)
     lcd_update();
 }
 
-void lcd_define_hw_pattern(int which, char *pattern, int length)
+void lcd_define_hw_pattern(int which, const char *pattern, int length)
 {
     int i, j;
     int pat = which / 8;