2 files changed, 2 insertions, 2 deletions
diff --git a/pk/frontend.c b/pk/frontend.c
index f0e629f..13fdfcf 100644
--- a/pk/frontend.c
+++ b/pk/frontend.c
@@ -8,7 +8,7 @@
 #include "syscall.h"
 #include <stdint.h>
 
-long frontend_syscall(long n, long a0, long a1, long a2, long a3, long a4, long a5, long a6)
+long frontend_syscall(long n, uint64_t a0, uint64_t a1, uint64_t a2, uint64_t a3, uint64_t a4, uint64_t a5, uint64_t a6)
 {
   static volatile uint64_t magic_mem[8];
 
diff --git a/pk/frontend.h b/pk/frontend.h
index 5b9df31..7da3c81 100644
--- a/pk/frontend.h
+++ b/pk/frontend.h
@@ -7,7 +7,7 @@
 #include <sys/stat.h>
 
 void shutdown(int) __attribute__((noreturn));
-long frontend_syscall(long n, long a0, long a1, long a2, long a3, long a4, long a5, long a6);
+long frontend_syscall(long n, uint64_t a0, uint64_t a1, uint64_t a2, uint64_t a3, uint64_t a4, uint64_t a5, uint64_t a6);
 
 struct frontend_stat {
   uint64_t dev;