diff --git a/platforms/nuttx/src/px4/common/board_crashdump.c b/platforms/nuttx/src/px4/common/board_crashdump.c
index 18974cdd1a..f2b9808d56 100644
--- a/platforms/nuttx/src/px4/common/board_crashdump.c
+++ b/platforms/nuttx/src/px4/common/board_crashdump.c
@@ -235,7 +235,7 @@ static uint32_t *__attribute__((noinline)) __sdata_addr(void)
 }
 
 
-__EXPORT void board_crashdump(uintptr_t currentsp, FAR void *tcb, FAR const uint8_t *filename, int lineno)
+__EXPORT void board_crashdump(uintptr_t currentsp, FAR void *tcb, FAR const char *filename, int lineno)
 {
 #ifndef BOARD_CRASHDUMP_RESET_ONLY
 	/* We need a chunk of ram to save the complete context in.